介绍了张掖地区黑河的总干渠沿河墩节制闸上安装的步进式微电脑程控液压启闭机的工作原理、指出了该启闭机的优点，结合微电脑程控与电话远传水位流量自测系统的联网，提出了步进式液压启闭机在大中型水利工程中的推广建议。 This paper introduces the working principle of stepping type microcomputer controlled hydraulic hoist installed along the pier of the Heihe River in Zhangye Region. The advantages of this hoist are pointed out. Combining the microcomputer control and telemetry flow telemetry system Of the network, put forward a step hydraulic hoist in large and medium-sized water conservancy projects in the promotion of recommendations.