The invention discloses a medical cold and hot compress bag and a manufacturing method and an application method thereof. The medical cold and hot compress bag comprises a bag body, a
temperature control unit, a heating unit and a refrigerating unit, wherein
energy storage materials are arranged inside the bag body and the
temperature control unit, the heating unit and the refrigerating unit are arranged on the outer side of the bag body. The
temperature control unit comprises a
microprocessor, a first temperature sensor arranged on the side, facing the infected part, of the bag body and a second temperature sensor arranged in the
energy storage materials, and the first temperature sensor and the second temperature sensor are connected with the input end of the
microprocessor. The heating unit and the refrigerating unit are arranged on the side, far away from the infected part, of the bag body. According to the medical cold and hot compress bag, the temperature at the infected part and the temperature of the
energy storage materials are monitored in real time through the temperature
control unit, whether the
temperature difference is appropriate or not is judged by
medical staff or the temperature
control unit, if the
temperature difference is inappropriate, the heating unit or the refrigerating unit is started manually or started automatically by the temperature
control unit for heating or refrigerating the energy storage materials in the bag body, therefore, the purposes that the temperature of the cold and hot compress bag is adjustable and controllable are realized, the medical cold and hot compress bag is suitable for the temperature requirements and the
endurance capacity of different types of patients and the cold and hot compress effects are improved.