Trigeminal neuralgia is the most common neurological disease of the brain, mainly manifested by recurrent paroxysmal severe pain in the distribution area of the trigeminal nerve on one side of the face, with an incidence rate of 52.2/100,000 in China, slightly more in women than in men, and the incidence rate can increase with age. Trigeminal neuralgia mostly occurs in middle-aged and elderly people, with more right-sided than left-sided. The disease is characterized by sudden onset, sudden stop, lightning-like, knife-like, burning-like, intractable and severe pain in the trigeminal nerve distribution area of the head and face. The pain can be severe when speaking, washing the face, brushing the teeth or breezing, or even when walking. The pain lasts for several seconds or minutes, the pain is periodic episodes, and the interval between episodes is the same as normal. 1, the diet should be regular to choose soft, easy to chew food. Patients with pain induced by chewing should eat a liquid diet, do not eat fried things, should not eat irritating, too acidic and too sweet food and cold food; diet should be nutritious, usually should eat more vitamin-rich and detoxifying food; eat more fresh fruits, vegetables and legumes, less fatty meat and more lean meat, food should be light. 2, eat gargle, talk, brush teeth, wash face action should be gentle. In order not to induce plate machine point and cause trigeminal neuralgia. Do not eat irritating foods such as onions. 3, pay attention to head and face warmth, avoid local freezing, moisture, do not use too cold, too hot water to wash the face; usually should maintain emotional stability, should not be excited, should not be fatigued and stay up late, often listen to soft music, calm mood, maintain adequate sleep. 4, keep a happy spirit, avoid mental stimulation; try to avoid touching the “trigger point”; regular living, indoor environment should be quiet, neat, fresh air. At the same time, the bedroom should not be attacked by wind and cold. Appropriate participation in sports, exercise, enhance physical fitness.