Numbness and tightness in the jaw is usually caused by mandibular neuritis, which can be treated with nerve-nourishing medication, acupuncture and hot compresses. Numbness and tightness in the jaw is mainly caused by mechanical irritation or physical stimulation of the chin or oral maxillofacial nerves, resulting in damage to the oral maxillofacial nerves and the symptoms of numbness and tightness in the jaw. Treatment is mainly to relieve and control the symptoms. 1. Hot compresses: Hot compresses on the jaw can promote local blood circulation and relieve the symptoms of jaw numbness and tightness. 2. Acupuncture: Acupuncture treatment can dredge the meridians and improve the peripheral nerve inflammation with good clinical results. 3. Drugs: some nutritive nerve drugs can relieve the clinical symptoms of patients, such as vitamin B1, methylcobalamin, etc.. The complexity of the disease caused by jaw numbness and tightness, need to go to the hospital for examination, targeted treatment, not blindly use their own medicine.