Air conditioner, drainage control method thereof, storage medium and drainage control device

The invention discloses an air conditioner and a drainage control method thereof, a storage medium and a drainage control device.The air conditioner comprises a humidifying device and a first water pan, and the humidifying device comprises a second water pan, a wet film arranged in the second water pan and a control valve arranged on a water supply pipeline of the wet film; the second water pan is used for receiving humidification water generated during humidification of the air conditioner, the first water pan is used for receiving humidification water overflowing from the second water pan and condensate water generated during refrigeration of the air conditioner, and a drainage system is arranged on the first water pan and comprises a plurality of drainage pumps. The drainage control method comprises the following steps: determining start-stop working time of each drainage pump in a plurality of drainage pumps; and controlling the plurality of drainage pumps to alternately work according to the start-stop working time. Therefore, the drainage requirement of the air conditioner can be met, the actual service life of the air conditioner is not limited by the service life of the drainage pump, and optimization of the air conditioner is achieved.