Generally children take vitamin B6, mainly has the following role and effect. First of all, it can play the role of antiemetic, after children have eaten vitamin B6, can effectively relieve children’s vomiting symptoms. Secondly, it can treat children’s convulsions. When children suffer from convulsions, they can be given appropriate vitamin B6 to relieve the symptoms of convulsions and the number of convulsions. Finally, it can treat children’s vitamin B6 deficiency caused by inflammation of the mouth and lips and other symptoms, children generally eat vitamin B6, mainly with the above effects, the application of the dose and the course of treatment should be carried out according to the guidance of the doctor.