Any surgery has a certain risk, tendon sheath cyst removal surgery is no exception, after strict pre-operative assessment, under the operation of professional doctors, the relative risk is small, but not all patients, the possible risks mainly include anesthesia, infection, complications and so on. 1. Anesthesia: Tendon sheath cyst removal surgery usually requires anesthesia of the affected area in advance, anesthesia drug allergy may occur after injection of anesthesia drugs, and in severe cases, shock may occur. 2. Infection: tendon sheath cyst excision surgery is aseptic surgery, need to cut the patient’s superficial skin to carry out the excision surgery, if the patient does not pay attention to hygiene and cleanliness after the operation, it is easy to cause the risk of infection. 3. Complications: Tendon sheath cyst excision surgery generally involves incising the superficial skin of the affected area to find the location of the cyst, and then using a scalpel to remove the cyst. Complications may occur during the excision process, such as damage to the cutaneous nerve, tendon, and hematoma of the incision. In addition, after tendon sheath cyst excision surgery, you need to keep the wound clean, and you can go to the hospital for a follow-up examination 2 days after the surgery. The doctor will conduct a comprehensive assessment of the patient before the tendon sheath cyst excision surgery. The patient needs to actively cooperate with the doctor’s treatment, and strictly observe the various precautions before and after the surgery, and inform the doctor in time if there is any discomfort.