This essay analyzes the courses of the mass events from a rule by law aspect and on the basis gives some countermeasures, to help related government departments in dealing with the mass events.

• 笔者从法治角度对群体性事件发生原因进行分析，并在此基础上提出相应对策，以期对有关部门妥善处理和预防群体性事件有些裨益。