This product belongs to the conventional medical equipment, its main role is the cold compress, and the effect is more continuous cold compress treatment. This cold gel is relatively more acceptable and more comfortable than the ice pack, so it is often used. Its main function is to reduce the temperature of soft tissues, as well as contract the local blood vessels of soft tissues, which can play the role of hemostasis, swelling and pain relief, such as common joint sprains, you can put the cold gel on the local area, so that the local cooling effect, so that the local injury of blood vessels gradually contracted, to achieve the purpose of hemostasis, swelling and pain relief. To achieve the purpose of hemostasis, swelling and pain relief. There are also some acute inflammatory exudative lesions, such as fat pad inflammation of the knee joint, using cold gel for local cold application can reduce local exudation and prevent local swelling and inflammatory reaction, which can cause more serious pain symptoms.