Mustard is millet, which has the functions of relieving exterior syndrome, diuresis, widening lung and resolving phlegm. Mustard is rich in carotene and vitamin C, which can improve vision and skin, enhance immunity and shorten recovery time. Mustard is rich in amino acids, calcium, phosphorus, iron and other trace elements, which can supplement human nutrition, resist infection and cancer. Mustard is rich in vitamins, participates in the redox process in the body, increases the oxygen content in the brain, stimulates the brain to use oxygen, improves attention, and has a refreshing effect.