Generally speaking, tendon sheath cysts can not be eliminated by taking “anti-inflammatory drugs”; if so, it is necessary to consider infectious lesions. The treatment of tendon sheath cysts is generally to consider surgery, there are two issues: first, to confirm the diagnosis, recommended face-to-face; second, the indications for surgery, in two cases to consider surgery, tendon sheath cysts are larger to affect the appearance and impact on the function of the hand. If you do not want to operate, you can perform suction, but it is easy to recur.