Painful symptoms in the fat pad of the knee joint are mainly considered as chronic strain, acute injury and corresponding aseptic inflammation, which can be treated with brake rest and supportive symptomatic treatment. The supportive symptomatic treatment includes anti-inflammatory and analgesic treatment, blood circulation and physiotherapy, and the anti-inflammatory and analgesic treatment includes oral fenbid to relieve the local symptoms, blood circulation and blood stasis to promote local blood circulation and tissue repair, and the commonly used drugs include Bone Injury Recovery Pill and Tongluo Open Palsy Tablets. In addition, heat treatment such as hot compress, baking electricity, spectrum irradiation and moxibustion can also be taken to promote local blood circulation, which is helpful to relieve local inflammation, reduce pain and promote local tissue repair. In addition, in some cases it can also be a sterile inflammation due to cold, and heat therapy is particularly effective.