There are many kinds of pumping stations: clear water pumping station, muddy water pumping station and so on. Qingshui pumping station usually does not produce toxic gas. There will be no toxic gas unless the machine catches fire, which will cause the burning of electrical appliances, wires, etc. And produce toxic gas. Toxic gases such as carbon monoxide may appear in turbid water or sewage pumping stations, which is caused by the volatilization of toxic gases produced by the absorption of rotten substances. Therefore, this kind of pumping station should install gas detection instruments and master safety production technology.