The invention provides a natural wind air conditioner as well as a control method and a control device for the natural wind air conditioner. The natural wind air conditioner comprises wind outlets, a wind blowing assembly, a wind direction regulating assembly and a control device, wherein the wind outlets comprise a first wind outlet and a second wind outlet; the wind blowing assembly comprises a first wind blowing fan and a second wind blowing fan, wind blown by the first wind blowing fan is conveyed out through the first wind outlet, and wind blown by the second wind blowing fan is conveyed out through the second wind outlet; the wind direction regulating assembly comprises a first wind direction regulating part and a second wind direction regulating part, the first wind direction regulating part is arranged at the first wind outlet, and the second wind direction regulating part is arranged at the second wind outlet; the first and second wind blowing fans are controlled by the control device to independently run with each other, and the first and second wind direction regulating parts are controlled by the control device to independently run with each other, so that the wind conveyed out by the first and second wind outlets forms a crossed zone, and the wind of the first and second wind outlets is synthesized into natural wind of which the size and direction are independently regulated. The wind blown by the natural wind air conditioner is closer to natural wind, the healthy condition of a user is improved, and comfortable enjoyment is brought to the user.