Vitamin B12, vitamin B1 is to play a role in the nutrition of the nerve, if the patient exists peripheral neuritis, nerve demyelination disease is when you can take vitamin B12, vitamin B1 to promote the recovery of the nerve to repair the patient’s myelin destruction. Vitamin B has many, including vitamin B1, B2, vitamin B4, vitamin B6, vitamin B12, these are collectively referred to as vitamin B, the specific effect of edema important coenzyme, can participate in the body of sugar, protein and fat metabolism of these three nutrients, is the key to metabolism of the material, so the lack of these nutrients may lead to a lot of problems in patients. These vitamins can regulate the endocrine and can play a nutritious nerve, regulate the function of plant nerves, promote sleep to improve the quality of sleep and improve the sleep state of patients, and vitamin B can also prevent patients from inflammation of the corners of the mouth, mucous membrane ulcers and other conditions.