Split type pneumatic induction water piece

The utility model provides a split type pneumatic induction water piece. Water tank, a water inlet valve and a drain valve are arranged in the water tank; a drainage button is arranged on a shell of the water tank; the water tank is further provided with a sensing device, the induction device is provided with a fixed shell; a controller, an air pump, a power supply, an air pump shell and a power supply shell are arranged in the fixed shell; the sensing device and the air pump are electrically connected with the controller, the controller is electrically connected with the power source, the airpump is connected with the drain valve through a second hose, the air pump is installed in the air pump shell, the power source is installed in the power source shell, and the air pump shell and thepower source shell are both fixed in the fixed shell. The induction device is arranged and can induct whether people go to the toilet or not, so that the sitting and squatting toilet is automaticallyflushed, and bacterium bree