Trigeminal numbness is usually manifested as numbness in the distribution area of the trigeminal nerve (ophthalmic branch, maxillary branch and mandibular branch), and its causes mainly include the following: 1. Vascular diseases: such as cerebral infarction or transient ischemic attack (TIA), etc. If a patient is older and has symptoms such as trigeminal numbness, it is generally considered to be caused by vascular disease. 2, trigeminal neuritis: Patients usually have numbness preceded by feverish symptoms, and the numbness area is usually the area of trigeminal nerve distribution. In this case, the symptoms can be relieved by nerve nutrition as well as antiviral treatment. 3, occupational lesions: tumors or cysts and other intracranial or skull base occupational lesions can also lead to numbness in the area of the trigeminal nerve distribution. Patients with trigeminal nerve numbness should pay attention to strengthening nutrition during treatment, eat more high-protein, easy-to-digest food, more fresh fruits, vegetables and soy products and so on. Do not eat spicy and fried foods, relax and be patient with the treatment. Finally, patients with trigeminal nerve numbness must consult a doctor in time to identify the cause, use medication under the guidance of the doctor and actively cooperate with the treatment.