Nutritional analysis of marinated small intestine: Onion is a kind of health condiment that warms the yang. Onion, as a condiment, is mainly used to remove the greasy and heavy taste of meat, fishy smell and peculiar smell in dishes, produce special fragrance and have a strong bactericidal effect. The medical community believes that onion has the function of lowering cholesterol and preventing respiratory and intestinal infectious diseases, and eating onion often has a certain brain-strengthening effect. Allicin extracted from onion has a good effect on cardiovascular sclerosis, and can also enhance the solubility of fibrin and reduce blood lipid.