Vitamin B6 is one of the water-soluble B vitamins. Vitamin B6 is the main role of many enzymes and coenzymes in the body, such as the regulation of proteins and carbohydrates, vitamin B6 can play a very good role in promoting their metabolism. Vitamin B6 can also play a significant role in the suppression of vomiting, such as chemotherapy patients, perioperative anesthesia patients, and pregnant people with severe pregnancy vomiting, if the appropriate increase in vitamin B6 can play a good role in relieving vomiting. Vitamin B6 can also stabilize mood. For depression, anxiety, neurological disorders and psychiatric disorders, appropriate supplementation of vitamin B6 can play a very good role in stabilizing mood and improving the effectiveness of treatment.