The invention discloses an intraoral retractor for a temporomandibular joint and relates to the technical field of medical instruments. The invention comprises a retraction mechanism, a main connecting rod and an operating mechanism; wherein the retraction mechanism and the main connecting rod are bent overall, one end of the retraction mechanism is a supporting end, and the other end is connected with the main connecting rod; a draw hook in a withdrawn state is provided in the supporting end, the operating mechanism is disposed at a tail end of the main connecting rod, and the operating mechanism can enable the draw hook to thrust out of the retraction mechanism and move up and down in the supporting end. The invention has a small size with the overall structure designed as a small bent pipe, the bending angle fits features of a human body, only a small incision is required for the retractor to enter the oral cavity of a patient, so the patient may suffer less pain, and no scar is left on the patient's face.