Patients with painful pressure on the medial side of the chin generally have the following common causes: i. Patients can suffer a fracture of the chin bone due to accidental fall during strenuous activities, which is often accompanied by obvious pain, difficulty in opening the mouth and restricted activities. It is necessary to improve the local X-ray or CT examination to clarify the severity of the fracture, and then perform surgery for internal fixation as soon as possible to relieve the local swelling and pain. Second, if the patient’s mouth is accompanied by acute infections, such as huge ulcers and gingivitis, painful symptoms of pressure on the inner side of the chin may also occur. It is necessary to strengthen the anti-infection treatment, light salt water gargle, oral watermelon cream tablets, to promote faster healing of the oral ulcer wound, oral inflammation control of the medial chin pressure pain can be more quickly relieved.