The invention relates to a centrifugal protection type hair dryer. The centrifugal protection type hair dryer comprises a plastic shell, electric heating equipment and a hemispherical shooting mechanism, the plastic shell is used for being wrapped around all the pieces of electric equipment of the hair dryer, the plastic shell is formed by casting polycarbonate, the electric heating equipment is arranged in the plastic shell of the hair dryer, is composed of two sections to three sections of electric heating wires, and is used for controlling the air blowing temperature of the hair dryer, thehemispherical shooting mechanism comprises tail pulling measuring equipment, image intercepting equipment, data analysis equipment, a direct-current driving motor, a light filter, an optical lens andimage sensing equipment, the electric heating equipment is connected with vector analysis equipment, and is used for reducing the air blowing temperature of the hair dryer when a target type is a cat,a dog or a rabbit. Through the centrifugal protection type hair dryer, the hair dryer can be prevented from causing damage for no reason to the surrounding pet.