Wide range of application: can be used for all kinds of sports injuries emergency treatment, like common football, basketball and other athletes injured on-site first aid; also applies to the swelling and pain relief after surgery, to help wounds heal better; for patients suffering from some chronic inflammatory diseases, such as arthritis, etc., the daily use of cold therapy machine at home for adjuvant therapy can reduce the pain and swelling of the inflammation attack, improve the quality of life. It almost covers multiple medical and rehabilitation fields from acute injuries to chronic conditions.