Wall-mounted type air conditioner and installing structure thereof

The invention provides a wall-mounted type air conditioner and an installing structure thereof to mainly solve the problem that an existing wall-mounted type air conditioner is not convenient to install. The wall-mounted type air conditioner comprises an air inlet panel arranged at the rear portion. The air inlet panel is provided with clamping and connecting parts. According to the clamping and connecting parts, the clamping and connecting parts can be clamped with external fixing pieces by rotating the air inlet panel or can disengage from the fixing pieces through rotation of the air inlet panel. The wall-mounted type air conditioner is mounted and dismounted in a rotation manner, mounting and dismounting are convenient, and the damage to a wall is small.