Trigeminal neuralgia is the most common neurological disorder of the brain, with a high prevalence in the middle-aged and elderly population. The symptoms of trigeminal neuralgia are severe, paroxysmal and recurrent pains in the area of the trigeminal nerve on one side of the face, which last for several seconds or minutes, like lightning or cutting, and are often unbearable. It can be caused by washing, brushing teeth, talking or eating. It is very disruptive to life. Therefore, it is important to go to the neurology department of a hospital when this pain is detected. After diagnosis, most patients take medication to relieve the pain at the initial stage. The length of time of taking medication varies from person to person, ranging from several years or decades, and in the case of patients with severe pain, the amount of medication taken is not effective, or they cannot tolerate the side effects of medication, they need to choose surgical treatment. If it is primary trigeminal neuralgia, the first choice is microvascular decompression, which is minimally invasive, fast recovery, and does not damage the nerves, and can achieve the purpose of cure. If it is secondary trigeminal neuralgia, find out the cause of the disease and treat it specifically. In order to alleviate the pain of trigeminal neuralgia patients, in addition to taking medication as instructed, nutritional diets should not be neglected. What is the nutritional diet for trigeminal neuralgia patients? 1, the trigeminal nerve is the main nerve of the face, nerve tissue contains glycolipids, and carbohydrates are indispensable components of glycoproteins and glycolipids. Sugar is needed to maintain normal nerve function. Therefore, the diet of trigeminal neuralgia needs carbohydrates to supply energy and protect nerve function. 2, fat is an important component of human tissue cells. Especially phospholipids and sterols, etc., brain and peripheral nerve tissue contain sphingolipids, phospholipids are important for animal growth and development, and can also increase the immune capacity of the brain. Fat can be used more vegetable fat to avoid elevated cholesterol. 3, vitamin B1 and vitamin C is important to protect the cranial nerves from damage. Vitamin B1 is the main component of decarboxylation coenzyme, which plays an important role in the metabolism of carbohydrates. Lack of vitamin B1 can cause neuritis, because the nerve is the burning and consumption of sugar tissue, if lack of vitamin B1, it will cause lactic acid accumulation, invade the brain, poisoning the central nervous system, so that the brain tissue consumption of oxygen is weakened, to cause temporary spasm. Therefore, it is necessary to ensure adequate vitamin. 4, every day needs to be nutritious meals, but also need to pay attention to the prohibition of spicy stimulation, high heat too cold, hard food, try to eat soft food, some fruits can be steamed, can be beaten into a paste.