The pain patch is a topical painkiller, its main effect is anti-inflammatory and pain relief, in addition to pain relief, but also has the effect of local cold compress. It can be used for acute mild to moderate sprains and contusions of soft tissues and can treat local pain and slight swelling due to the injury. The ointment has pain-relieving ingredients that act directly on the local area to relieve local pain, and can also be used to reduce the bleeding and exudation caused by the local injury by applying cold compresses, so that the swelling is gradually absorbed. It can also be used for chronic soft tissue injuries, such as chronic lumbar back strain, or painful discomfort from old ligament injuries, acute joint inflammation, such as gouty arthritis, acute rheumatic cold arthralgia can also be applied.