A supersound treatment apparatus which comprises a treatment gun (15) that could emit supersound, a supersound signal generating and processing circuit (31) connected to a power supply, a control system which controls the emitting of supersound and a cooling system for the treatment gun (15). The supersound signal generating and processing circuit (31) is electrically connected with the treatment gun (15). The control system is electrically connected with the supersound signal generating and processing circuit (31). The cooling system is electrically connected with the treatment gun (15). The supersound treatment apparatus is particularly suitable for the treatment of rhinitis.