Postoperative numbness of the mouth after mandibular cyst surgery is considered to be caused by damage to the mandibular nerve during surgery, and can be relieved by medication as prescribed by the doctor. Postoperative numbness of the mouth after mandibular cyst surgery is a common sequela, mainly due to damage to the mandibular nerve during surgery, and some patients will have other sequelae such as loose teeth and jawbone defects. For those who have numbness of the mouth after mandibular cyst surgery, they can generally follow the doctor’s instructions to improve by taking nutritive nerve medication, such as methylcobalamin, vitamin B1 and so on. During the medication period, patients can also promote blood circulation by applying hot compresses locally to relieve numbness of the mouth, which also helps to improve the quality of life. If the above measures can not improve or relieve, if necessary, you can seek medical treatment to repair the nerve, but generally the operation is relatively difficult, the patient needs to adjust the mentality. It is recommended that people with postoperative numbness of the jaw cyst should consult a doctor for examination and follow the doctor’s instructions for medication, and should not use medication indiscriminately on their own. Pay attention to daily oral hygiene, avoid intake of cold, spicy and irritating food.