The water pump for cold and hot compress eye protector is connected to the backwater pipe of the treatment water blanket with a water replenishment tank at a high position for water replenishment and exhaust. Therapy-circulating water temperature sensor and heat dissipation temperature sensor connected with the host unit are respectively provided in the heat swabber and air-cooling heat dissipation system, and the host unit is also connected with a human body temperature sensor; The main engine unit issues control instructions to the air cooling system.