Tendovaginitis can be seen in orthopedics, hand and foot surgery or rehabilitation. Tendovaginitis is an acute and chronic inflammatory reaction between tendon sheaths and tendons caused by local strain, trauma, infection, etc., affecting local flexion and extension activities. Clinical lesions involving muscles, tendons, and bones need to be referred to orthopedics or hand and foot surgery, and can also be referred to rehabilitation for treatment. If the pain is mild, it can be treated by braking, physical therapy, oral or topical anti-inflammatory and pain-relieving medications, such as flurbiprofen gel, ibuprofen and so on. Severe pain can be treated with local closure or surgical incision and decompression and drainage. If tenosynovitis occurs, it is recommended to go to the hospital in time, early formal treatment, do not blindly use drugs.