The designed landfill capacity of the sanitary landfill site of domestic garbage in Ruyuan Yao Autonomous County is about 385,500 cubic meters and the daily disposal capacity is 98 tons. The leachate produced in the reservoir area is controlled by the valve and transported to the regulating reservoir. The designed treatment capacity of leachate is 60 tons per day, the designed effluent rate is more than 75%, and the actual treatment capacity is about 45 tons, and the daily production of water is 26 cubic meters. The effluent of the leachate after treatment meets the discharge standard in Table 2 of the Pollution Control Standard for Domestic Garbage Landfill (GB16889-2008). After the treatment of leachate reaches the standard, it is monitored online and then entered into the urban sewage pipe network and sewage treatment plant.