Sewage treatment device

The utility model discloses a sewage treatment device. The device comprises a sewage treatment chamber and an aeration generator, the front surface of the sewage treatment chamber is fixedly connectedwith a supporting plate; one side of the sewage treatment chamber is connected with a water inlet in a penetrating manner; the other side of the sewage treatment chamber is connected with a water outlet in a penetrating manner; the upper end of the supporting plate is fixedly connected with an aeration generator; the bottom end of the water inlet is fixedly connected with a fixed seat; a first aeration pipe is connected to one side of the aeration generator in a penetrating mode, second aeration pipes are linearly arranged at the upper end of the first aeration pipe at equal intervals, thirdaeration pipes are connected to the two sides of each second aeration pipe in a penetrating mode, and a first cam is rotatably connected to the front surface of the fixing base. According to the utility model, the motor rotate