The Dam system monitoring in the Chenggouhe watershed mainly includes the dynamic monitoring of engineering construction,monitoring of blocking sand to store water,benefit monitoring of dam use and the increased production,and monitoring of dam system safety.The implementation of monitoring project and the accurate evaluation of ecological,economical and social benefits from dam construction can provide a technical support for the safety construction of the city and the relatively stable dam system of small watersheds.Meanwhile,they can enhance the design,construction,management and production level of dam system and silt dam,and guarantee the overall project quality and comprehensive stable benefits.