Air conditioner controlling method and device and air conditioner

The invention provides an air conditioner controlling method and device and an air conditioner. An air guiding strip is arranged at an air outlet of an indoor unit of the air conditioner and used for adjusting the air outlet direction of the indoor unit. The air conditioner controlling method comprises the steps that after the air conditioner is powered on and started, the air guiding strip is controlled to be initialized; and in the initialization process of the air guiding strip, an indoor draught fan of the air conditioner is prohibited from being started. By means of the air conditioner controlling method and device and the air conditioner, the problem of air blocking caused due to the fact that the indoor draught fan is started when the air guiding strip is in the closed state or the starting angle is small can be avoided; furthermore, great noise generated at the initial starting stage of the air conditioner can be avoided; and it is helpful to improve use experience of users. 本发明提供了种空调器的控制方法、控制装置和空调器，其