With statistics and analysis of regular inspection,application survey,breakdown maintenance,and track-ing of the simple elevator,the paper presents the fault types of the simple elevator in use and main causes of such failure, and concludes main characteristics of simple elevators in use and suggestions for improvement,which can be the technical basis when related authorities make countermeasures.%通过对在用简易升降机定期检验、使用调查、故障维修及使用跟踪等情况的统计及分析，阐述了在用简易升降机故障表现种类及形成的主要原因，得出在用简易升降机主要特点及改进建议，为相关部门制定对策提供技术依据。
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