The main methods to effectively remove tendon sheath cysts are: first, you can press a dollar coin on the tendon sheath cyst, you can press the coin with appropriate pressure, the force is enough to break the tendon sheath cyst, so that the joint fluid inside spreads to the local soft tissues and local soft tissue swelling occurs, you can remove the tendon sheath cyst. Secondly, the tendon sheath cyst can be removed by needle knife. After local anesthesia, the tendon sheath will be pierced by needle knife and the cyst will be released to remove the tendon sheath cyst. The third type of tendon sheath cyst can be removed surgically by removing the cyst after local anesthesia and releasing the synovial fluid inside. The fourth type of tendon sheath cyst can also be removed by other means, such as increasing the mobility of the tendon, but this type of tendon sheath cyst removal is not as reliable as the previous ones.