本文报告佛山市城区朝阳、隔塘和经堂３个居委会住宅区下水道中褐家鼠密度为２１．８１％（诱饵消耗法），该居民住宅区褐家鼠密度为２．３４％（粉迹法）．采用磷化锌和溴敌隆毒饵分别在朝阳。隔塘居委会住宅区下水迫灭鼠，鼠密度分别下降至２．２７％及５．０８％，但附近居民住宅褐家鼠密度没有明显变化，表明密闭式下水道有良好的防鼠作用。 This paper reports that the density of brown domestic rats in sewers of residential quarters in Chaoyang, Tongtang and Jingtang of Foshan City is 21.81% (bait consumption method), and the density of brown rat in residential area is 2.34% law). The use of zinc phosphide and bromadiolone bait were in the sunrise. The density of Rattus norvegicus in residents’ quarters in Tongan neighborhood dropped to 2.27% and 5.08% respectively, but there was no significant change in the density of Rattus norvezculus in nearby residential buildings, indicating that closed sewer has good anti-rodent effect.