Vitamin B1 has the role of nutritional nerves, in coarse grains, yeast, rice bran in high content, mainly used in the treatment of beriberi and auxiliary for the treatment of certain diseases, such as neurasthenia, polyneuritis, poliomyelitis, menopausal syndrome. If the body lacks vitamin B1, can lead to sugar metabolism disorder, cause nervous system disease and cardiovascular system disease, numbness of the limbs, weakness, polyneuritis and other symptoms, oral vitamin B1 can prevent nerve damage caused by the lack of the drug. However, the oral role of the drug is relatively single, need to cooperate with other nutritious nerve drug treatment, commonly used drugs are vitamin B12, glutamine and so on. Patients usually need to eat more vegetables, fruits, more coarse grains, coarse and fine mix. If the symptoms of poor nerve, it is best to find out the cause, for the cause of the treatment.