diff --git a/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/controller/WorkflowUserController.java b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/controller/WorkflowUserController.java
new file mode 100644
index 000000000..287c3b7d6
--- /dev/null
+++ b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/controller/WorkflowUserController.java
@@ -0,0 +1,49 @@
+package org.dromara.workflow.controller;
+
+import lombok.RequiredArgsConstructor;
+import org.dromara.common.core.domain.R;
+import org.dromara.common.mybatis.core.page.TableDataInfo;
+import org.dromara.common.web.core.BaseController;
+import org.dromara.system.domain.vo.SysUserVo;
+import org.dromara.workflow.domain.bo.SysUserMultiBo;
+import org.dromara.workflow.domain.vo.TaskVo;
+import org.dromara.workflow.service.IWorkflowUserService;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+
+/**
+ * 工作流用户选人管理 控制层
+ *
+ * @author may
+ */
+@Validated
+@RequiredArgsConstructor
+@RestController
+@RequestMapping("/workflow/user")
+public class WorkflowUserController extends BaseController {
+
+    private final IWorkflowUserService iWorkflowUserService;
+
+    /**
+     * 分页查询工作流选择加签人员
+     *
+     * @param sysUserMultiBo 参数
+     */
+    @GetMapping("/getWorkflowAddMultiListByPage")
+    public TableDataInfo<SysUserVo> getWorkflowAddMultiInstanceByPage(SysUserMultiBo sysUserMultiBo) {
+        return iWorkflowUserService.getWorkflowAddMultiInstanceByPage(sysUserMultiBo);
+    }
+
+    /**
+     * 查询工作流选择减签人员
+     *
+     * @param taskId 任务id
+     */
+    @GetMapping("/getWorkflowDeleteMultiInstanceList/{taskId}")
+    public R<List<TaskVo>> getWorkflowDeleteMultiInstanceList(@PathVariable String taskId) {
+        return R.ok(iWorkflowUserService.getWorkflowDeleteMultiInstanceList(taskId));
+    }
+}
diff --git a/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/domain/bo/SysUserMultiBo.java b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/domain/bo/SysUserMultiBo.java
new file mode 100644
index 000000000..b54f481ce
--- /dev/null
+++ b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/domain/bo/SysUserMultiBo.java
@@ -0,0 +1,34 @@
+package org.dromara.workflow.domain.bo;
+
+import lombok.Data;
+import org.dromara.workflow.common.PageEntity;
+
+
+/**
+ * 用户加签查询
+ *
+ * @author may
+ */
+@Data
+
+public class SysUserMultiBo extends PageEntity {
+    /**
+     * 人员名称
+     */
+    private String userName;
+
+    /**
+     * 人员名称
+     */
+    private String nickName;
+
+    /**
+     * 部门id
+     */
+    private String deptId;
+
+    /**
+     * 任务id
+     */
+    private String taskId;
+}
diff --git a/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/IWorkflowUserService.java b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/IWorkflowUserService.java
new file mode 100644
index 000000000..c70be04d4
--- /dev/null
+++ b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/IWorkflowUserService.java
@@ -0,0 +1,32 @@
+package org.dromara.workflow.service;
+
+import org.dromara.common.mybatis.core.page.TableDataInfo;
+import org.dromara.system.domain.vo.SysUserVo;
+import org.dromara.workflow.domain.bo.SysUserMultiBo;
+import org.dromara.workflow.domain.vo.TaskVo;
+
+import java.util.List;
+
+/**
+ * 工作流用户选人管理 服务层
+ *
+ * @author may
+ */
+public interface IWorkflowUserService {
+
+    /**
+     * 分页查询工作流选择加签人员
+     *
+     * @param sysUserMultiBo 参数
+     * @return 结果
+     */
+    TableDataInfo<SysUserVo> getWorkflowAddMultiInstanceByPage(SysUserMultiBo sysUserMultiBo);
+
+    /**
+     * 查询工作流选择减签人员
+     *
+     * @param taskId 任务id
+     * @return 结果
+     */
+    List<TaskVo> getWorkflowDeleteMultiInstanceList(String taskId);
+}
diff --git a/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/WorkflowUserServiceImpl.java b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/WorkflowUserServiceImpl.java
new file mode 100644
index 000000000..a2e888f2b
--- /dev/null
+++ b/ruoyi-modules/ruoyi-workflow/src/main/java/org/dromara/workflow/service/impl/WorkflowUserServiceImpl.java
@@ -0,0 +1,175 @@
+package org.dromara.workflow.service.impl;
+
+import cn.hutool.core.collection.CollectionUtil;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.core.toolkit.Wrappers;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import lombok.RequiredArgsConstructor;
+import org.dromara.common.core.enums.UserStatus;
+import org.dromara.common.core.exception.ServiceException;
+import org.dromara.common.core.utils.StreamUtils;
+import org.dromara.common.core.utils.StringUtils;
+import org.dromara.common.mybatis.core.page.TableDataInfo;
+import org.dromara.common.tenant.helper.TenantHelper;
+import org.dromara.system.domain.SysUser;
+import org.dromara.system.domain.vo.SysDeptVo;
+import org.dromara.system.domain.vo.SysUserVo;
+import org.dromara.system.mapper.SysDeptMapper;
+import org.dromara.system.mapper.SysUserMapper;
+import org.dromara.workflow.domain.bo.SysUserMultiBo;
+import org.dromara.workflow.domain.vo.MultiInstanceVo;
+import org.dromara.workflow.domain.vo.TaskVo;
+import org.dromara.workflow.service.IWorkflowUserService;
+import org.dromara.workflow.utils.WorkflowUtils;
+import org.flowable.engine.RuntimeService;
+import org.flowable.engine.TaskService;
+import org.flowable.engine.impl.bpmn.behavior.ParallelMultiInstanceBehavior;
+import org.flowable.engine.impl.bpmn.behavior.SequentialMultiInstanceBehavior;
+import org.flowable.task.api.Task;
+import org.springframework.stereotype.Service;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Objects;
+import java.util.stream.Collectors;
+
+/**
+ * 工作流用户选人管理 业务处理层
+ *
+ * @author may
+ */
+@RequiredArgsConstructor
+@Service
+public class WorkflowUserServiceImpl implements IWorkflowUserService {
+
+    private final SysUserMapper sysUserMapper;
+    private final SysDeptMapper sysDeptMapper;
+    private final TaskService taskService;
+    private final RuntimeService runtimeService;
+
+    /**
+     * 分页查询工作流选择加签人员
+     *
+     * @param sysUserMultiBo 参数
+     */
+    @Override
+    public TableDataInfo<SysUserVo> getWorkflowAddMultiInstanceByPage(SysUserMultiBo sysUserMultiBo) {
+        Task task = taskService.createTaskQuery().taskId(sysUserMultiBo.getTaskId()).singleResult();
+        if (task == null) {
+            throw new ServiceException("任务不存在");
+        }
+        MultiInstanceVo multiInstance = WorkflowUtils.isMultiInstance(task.getProcessDefinitionId(), task.getTaskDefinitionKey());
+        LambdaQueryWrapper<SysUser> queryWrapper = Wrappers.lambdaQuery();
+        //检索条件
+        queryWrapper.eq(StringUtils.isNotEmpty(sysUserMultiBo.getDeptId()), SysUser::getDeptId, sysUserMultiBo.getDeptId());
+        queryWrapper.eq(SysUser::getStatus, UserStatus.OK.getCode());
+        if (multiInstance != null) {
+            if (multiInstance.getType() instanceof SequentialMultiInstanceBehavior) {
+                List<Long> assigneeList = (List) runtimeService.getVariable(task.getExecutionId(), multiInstance.getAssigneeList());
+                queryWrapper.notIn(CollectionUtil.isNotEmpty(assigneeList), SysUser::getUserId, assigneeList);
+            } else {
+                List<Task> list = taskService.createTaskQuery().processInstanceId(task.getProcessInstanceId()).list();
+                List<Long> userIds = StreamUtils.toList(list, e -> Long.valueOf(e.getAssignee()));
+                queryWrapper.notIn(CollectionUtil.isNotEmpty(userIds), SysUser::getUserId, userIds);
+            }
+        }
+        queryWrapper.like(StringUtils.isNotEmpty(sysUserMultiBo.getUserName()), SysUser::getUserName, sysUserMultiBo.getUserName());
+        queryWrapper.like(StringUtils.isNotEmpty(sysUserMultiBo.getNickName()), SysUser::getNickName, sysUserMultiBo.getNickName());
+        Page<SysUser> page = new Page<>(sysUserMultiBo.getPageNum(), sysUserMultiBo.getPageSize());
+        Page<SysUserVo> userPage = sysUserMapper.selectVoPage(page, queryWrapper);
+        return TableDataInfo.build(recordPage(userPage));
+    }
+
+    /**
+     * 查询工作流选择减签人员
+     *
+     * @param taskId 任务id 任务id
+     */
+    @Override
+    public List<TaskVo> getWorkflowDeleteMultiInstanceList(String taskId) {
+        Task task = taskService.createTaskQuery().taskTenantId(TenantHelper.getTenantId()).taskId(taskId).singleResult();
+        List<Task> taskList = taskService.createTaskQuery().taskTenantId(TenantHelper.getTenantId())
+            .processInstanceId(task.getProcessInstanceId()).list();
+        MultiInstanceVo multiInstance = WorkflowUtils.isMultiInstance(task.getProcessDefinitionId(), task.getTaskDefinitionKey());
+        List<TaskVo> taskListVo = new ArrayList<>();
+        if (multiInstance == null) {
+            return Collections.emptyList();
+        }
+        List<Long> assigneeList = null;
+        if (multiInstance.getType() instanceof SequentialMultiInstanceBehavior) {
+            assigneeList = (List<Long>) runtimeService.getVariable(task.getExecutionId(), multiInstance.getAssigneeList());
+        }
+
+        if (multiInstance.getType() instanceof SequentialMultiInstanceBehavior) {
+            List<Long> userIds = StreamUtils.filter(assigneeList, e -> !e.toString().equals(task.getAssignee()));
+            List<SysUserVo> sysUsers = null;
+            if (CollectionUtil.isNotEmpty(userIds)) {
+                sysUsers = sysUserMapper.selectVoBatchIds(userIds);
+            }
+            for (Long userId : userIds) {
+                TaskVo taskVo = new TaskVo();
+                taskVo.setId("串行会签");
+                taskVo.setExecutionId("串行会签");
+                taskVo.setProcessInstanceId(task.getProcessInstanceId());
+                taskVo.setName(task.getName());
+                taskVo.setAssignee(userId);
+                if (CollectionUtil.isNotEmpty(sysUsers)) {
+                    sysUsers.stream().filter(u -> u.getUserId().toString().equals(userId.toString())).findFirst().ifPresent(u -> {
+                        taskVo.setAssigneeName(u.getNickName());
+                    });
+                }
+                taskListVo.add(taskVo);
+            }
+            return taskListVo;
+        } else if (multiInstance.getType() instanceof ParallelMultiInstanceBehavior) {
+            List<Task> tasks = StreamUtils.filter(taskList, e -> StringUtils.isBlank(e.getParentTaskId()) && !e.getExecutionId().equals(task.getExecutionId())
+                && e.getTaskDefinitionKey().equals(task.getTaskDefinitionKey()));
+            if (CollectionUtil.isNotEmpty(tasks)) {
+                List<Long> userIds = StreamUtils.toList(tasks, e -> Long.valueOf(e.getAssignee()));
+                List<SysUserVo> sysUsers = null;
+                if (CollectionUtil.isNotEmpty(userIds)) {
+                    sysUsers = sysUserMapper.selectVoBatchIds(userIds);
+                }
+                for (Task t : tasks) {
+                    TaskVo taskVo = new TaskVo();
+                    taskVo.setId(t.getId());
+                    taskVo.setExecutionId(t.getExecutionId());
+                    taskVo.setProcessInstanceId(t.getProcessInstanceId());
+                    taskVo.setName(t.getName());
+                    taskVo.setAssignee(Long.valueOf(t.getAssignee()));
+                    if (CollectionUtil.isNotEmpty(sysUsers)) {
+                        sysUsers.stream().filter(u -> u.getUserId().toString().equals(t.getAssignee())).findFirst().ifPresent(e -> {
+                            taskVo.setAssigneeName(e.getNickName());
+                        });
+                    }
+                    taskListVo.add(taskVo);
+                }
+                return taskListVo;
+            }
+        }
+        return Collections.emptyList();
+    }
+
+    /**
+     * 翻译部门
+     *
+     * @param page 用户分页数据
+     */
+    private Page<SysUserVo> recordPage(Page<SysUserVo> page) {
+        List<SysUserVo> records = page.getRecords();
+        if (CollectionUtil.isEmpty(records)) {
+            return page;
+        }
+        List<Long> collectDeptId = records.stream().map(SysUserVo::getDeptId).filter(Objects::nonNull).collect(Collectors.toList());
+        if (CollectionUtil.isEmpty(collectDeptId)) {
+            return page;
+        }
+        List<SysDeptVo> sysDeptList = sysDeptMapper.selectVoBatchIds(collectDeptId);
+        records.forEach(e -> {
+            sysDeptList.stream().filter(d -> d.getDeptId().equals(e.getDeptId())).findFirst().ifPresent(e::setDept);
+        });
+        page.setRecords(records);
+        return page;
+    }
+}