Tendon sheath cysts have a higher chance of recurrence after surgery. Tendon sheath cyst is a soft tissue injury disease, which is a benign swelling near the joints, ligaments or tendons of the human body, preferably in the wrist, foot and ankle joints. Typically, after surgery for a tendon sheath cyst, the cyst is removed and the tendon sheath remains. When the tendon sheath is irritated by cold or overexertion, a new tendon sheath cyst will form, and the chance of recurrence is relatively high, perhaps around 20%. Recurrent tendon sheath cysts that are not accompanied by painful symptoms can be temporarily observed without treatment. If a recurrent tendon sheath cyst is painful, you should cooperate with your doctor for medication, and if necessary, consider surgery to remove the cyst again. After the surgery of tendon sheath cyst, we must follow the doctor’s instructions to strictly brake, pay attention to rest, do a good job of postoperative care, including local disinfection, change of medication, prevention of infection, usually pay attention to the protection of joints, avoid excessive activities, can effectively reduce the chance of tendon sheath cysts recurrence.