(1) Prevent and treat Vitamin B6 Pyridoxine deficiency; (2) Supplement to patients who need to consume more vitamin B6; (3) One of the indispensable ingredients of mixed feed, promotes growth and development of immature (4) Additive of food and beverage, reinforces nutrition; (5) Additive of cosmetics, promotes growth of hair and protects the skin; (6) Culture medium of plants, promotes growth of plants; (7) For treatment of surfaces of polycaprolactam products, enhances the thermal stability