Air conditioner indoor unit and indoor air outlet control method of air conditioner

The invention discloses an air conditioner indoor unit. The air conditioner indoor unit is provided with an air outlet, an air guide plate, a first air dissipating plate, a second air dissipating plate, a controller, a temperature detector and a humidity detector. The first air dissipating plate and the second air dissipating plate are each provided with a plurality of venting holes. The temperature detector is used for detecting the indoor temperature. The humidity detector is used for detecting the environment humidity. After it is judged by the controller that the air conditioner indoor unit enters a preset operation mode, the controller controls the first air dissipating plate and the second air dissipating plate to open the air outlet and controls the air guide plate to rotate by a preset angle to partly block the air outlet. After the air conditioner indoor unit enters the preset operation mode, the controller controls the first air dissipating plate and the second air dissipating plate to be located in different rotation positions to block the air outlet according to the indoor temperature and the environment humidity. The invention further discloses an indoor air outlet control method of an air conditioner. By means of the air conditioner indoor unit and the indoor air outlet control method of the air conditioner, the environmental comfort level is improved.