You don’t always have a hard lump after tendon sheath surgery. After tendon sheath surgery, as the surgical incision gradually heals, a hard lump may remain at the incision, but not everyone will have a hard lump after tendon sheath surgery. In general, this hard lump is likely to be a keloid, which is common in people with keloid scarring and is a normal physiological reaction of the body, and will disappear after a period of time. If the tendon sheath surgery incision tissue edema, resulting in local tissue hardening, there will also be a hard lump, you can follow the doctor’s instructions to take medications to activate blood circulation and eliminate blood stasis, such as blood circulation and eliminate blood stasis capsule, etc., can eliminate edema. If there is a hard lump after the tendon sheath surgery, it is recommended to go to the hospital for a review to clarify whether it is a keloid or tissue edema. If the hard lump is caused by tissue edema, you should cooperate with the doctor to treat it with medication so as not to affect the recovery of the incision after surgery.