The invention discloses an air conditioner with a fan convenient to adjust. The air conditioner comprises an air conditioner body, the two sides of the top of the front surface of the air conditionerbody and the two sides of the bottom of the front surface of the air conditioner body are correspondingly and fixedly connected with first clamping rods, a fan box is arranged on the front surface ofthe air conditioner body, sleeves are fixedly connected to the tops and the bottoms of the two sides of the fan box correspondingly, the front surfaces of the first clamping rods penetrate through andextend to the front sides of the sleeves, and the top of the front surface of the fan box is fixedly connected with a supporting column. According to the air conditioner, the first clamping rods, thefan box, the supporting column, a telescopic frame, a connecting block, a handle, a spring, a movable block, a sliding block, support columns, the sleeves, a second clamping rod, a sliding rail, a groove and a movable groove are arranged to cooperate with one another, the problem that a fan on an existing air conditioner is inconvenient to replace by a user is solved, and the air conditioner withthe fan convenient to adjust has the advantages that the fan is convenient to replace, the use by the user is facilitated, and the practicability of the air conditioner is improved.