Trigeminal neuralgia is characterized by recurrent, intermittent attacks with a chronic course, during which there may be periods of spontaneous remission of weeks, months or even years, during which the pain may even disappear completely. However, the remission period is gradually shortened with age. According to the characteristics of trigeminal neuralgia, we divide the prevention of trigeminal neuralgia into pre-onset prevention, attack prevention and intermittent prevention. Pre-onset prevention 1. Pay attention to hygiene and prevent facial, oral and nasal infections. Certain infectious diseases, such as acute purulent sinusitis, acute otitis media, pulpitis, gingivitis, etc., can produce toxins from their pathogens, which can cause adverse stimulation to the trigeminal nerve and induce trigeminal neuralgia. 2, avoid overexertion, enhance physical fitness, avoid air conditioning or electric fans blowing directly on the head and face during rest, avoid getting cold and flu, and reduce viral invasion of the organism. Once the virus invades, clusters of blistering rashes appear on the forehead, corners of the mouth and facial skin, mostly herpes infection, and this virus is very likely to cause trigeminal neuralgia, so it should be treated early and thoroughly. 3.Prevent hypertension and hyperlipidemia, control vascular sclerosis, and avoid? trigeminal neuralgia due to pressure on the trigeminal nerve caused by vascular sclerosis. 4.Maintain good chewing habits and avoid violent chewing. If you have incomplete bite and disorder of the jaw joint, you should seek timely medical correction. Seizure prevention 1.Use the interval after the pain attack to clean the face and mouth, maintain personal hygiene and avoid other diseases. 2.Wash face and brush teeth with warm water and avoid cold water stimulation. 3. Pay attention to climate change and avoid stimulation of the face by wind and cold weather. Wear a mask or hood when you go out. 4. Quit smoking and drinking, and eat less spicy food to avoid chemical stimulation to induce pain. 5.Eat soft, easy-to-chew food and avoid hard objects. 6.As far as possible, avoid pain-inducing mechanical actions, such as washing the face and shining teeth, and avoid stimulating the trigger point. 7.Maintain optimistic mood, avoid anxiety and other emotions that induce pain. 8.Adhere to the treatment don’t just stop the medicine, in order to root out the cure. Intermittent prevention 1, life, diet should be regular, to ensure sufficient sleep and rest, avoid overwork. 2, keep a comfortable mood, do not be impulsive, angry, depressed, establish confidence in the treatment of the disease. 3, appropriate to participate in sports, exercise, enhance physical fitness. 4.Move gently and slowly to prevent all pain-inducing factors, pay attention to warmth on cold days and avoid direct stimulation of the face by cold wind. 5.Eat softer food. For patients with pain induced by chewing, eat a liquid diet, do not eat fried food, irritating food, seafood products and hot food, etc.