The invention provides an air-conditioner air supply method. An air-conditioner comprises an upper draught fan and a lower draught fan which are arranged up and down and are used for supplying air to an indoor place, at least one upper air supply opening is matched with the upper draught fan, and at least one lower air supply opening is matched with the lower draught fan. The air supply method comprises the following steps that indoor human body information is detected, wherein the indoor human body information comprises the human body surface temperature and the human body position, an air supply needed human body needing to be subject to key air supply is determined, and the surface temperature of the air supply needed human body is Ta; if the Ta is higher than a preset refrigeration comfortable temperature zone in the refrigeration mode or is lower than a preset heating comfortable temperature zone in the heating mode, the upper draught fan and the lower draught fan both run at the highest rotating speed; if the Ta is within the scope of the refrigeration comfortable temperature zone in the refrigeration mode or is within the scope of the heating comfortable temperature zone in the heating mode, the upper draught fan runs at the highest rotating speed, and the rotating speed of the lower draught fan is lower than the highest rotating speed; and if the Ta is lower than the refrigeration comfortable temperature zone in the refrigeration mode or is higher than the heating comfortable temperature zone in the heating mode, the rotating speeds of the upper draught fan and the lower draught fan are both lower than the highest rotating speed.