A small number of tendon sheath cysts can be cured by themselves, but most of them need targeted treatment to be cured. Tendon sheath cysts are mostly due to the local joints of long-term repeated strain injury caused by the strain disease, early patients after rest and local braking, some can be slowly absorbed to achieve the standard of self-healing. If the degree of the cyst is relatively mild, you can apply local hot compresses and massage to promote local blood circulation and promote the absorption of the cyst. There is also a possibility that the cyst ruptures after a violent impact on the local area, and the cyst is slowly absorbed by the body with local rest and braking and hot compresses. The cyst wall adheres to the surrounding tissue and the cyst disappears completely. Tendon sheath cysts have a self-healing potential of about 10%, if the local tendon sheath cyst is still repeated flexion and extension activities after the occurrence of the cyst, the cyst will further increase in size to the surrounding caused by compression, resulting in significant swelling, pain and so on. Most of them require treatment, which mainly includes acupuncture, puncture and surgery.