Numbness of the mouth may be related to bad habits, but also may be the emergence of facial neuritis, cerebral hemorrhage and other diseases. 1. Bad habits, patients often eat spicy stimulating food, often eat too numb food may appear numbness of the mouth. 2. Facial neuritis, clinically, facial neuritis inflammation stimulates the facial nerve, resulting in damage to the local nerve endings, numbness of the mouth. 3. Cerebral hemorrhage, some patients with cerebral hemorrhage local nerve compression, can not function normally, metabolic disorders, there may be numbness of the mouth. Usually it is best to carry out more physical examination, you can find the disease in a timely manner to seek medical treatment, but also need to maintain a good state of mind, positive and optimistic to face the disease.