Synovial cysts of the wrist can be caused by strain, degenerative disease, inflammation, etc. Depending on the size of the cyst and the degree of pain, general therapy such as rest, physical therapy such as elastic bandage, medication such as diclofenac sodium, and arthroscopy such as surgery are usually used. If the size of the cyst is small, the pain level is low, and it does not affect the joint movement, we can try to reduce the wrist movement, elastic bandage, and use anti-inflammatory and analgesic drugs such as celecoxib and diclofenac sodium to promote the absorption of the cyst. If the size of the cyst is large, the pain is severe and affects the joint activities to a greater extent, surgery such as puncture and aspiration, arthroscopy can be used to eliminate the cyst, supplemented with non-steroidal drugs such as diclofenac sodium and flurbiprofenac sodium to reduce inflammation and relieve pain. In addition, if the synovial cyst is caused by trauma, chondroma, etc., it is also necessary to treat the original disease. There are many causes of synovial cysts, it is recommended to go to the hospital as soon as possible to identify the cause, under the guidance of the doctor to carry out regular treatment. The above drugs should be used under the guidance of a doctor, avoid self-medication.