Because it is easy to produce volatile gases, excessive consumption will produce flatulence and excessive exhaust, it is best to eat only on vacation. Onion taste sweet, slightly pungent, warm, into the liver, spleen, stomach, lung meridian, occasionally eat quite good for the body, for example: with lubrication, qi and stomach, spleen into the food, dispersal of wind and cold, warm through the Yang, digestion and meat, refreshing and healthy, dissipate blood stasis and detoxification of the efficacy of the; the main treatment of the external wind and cold without sweating, nasal congestion, food accumulation and natatorium, hostile food does not consume, hypertension, hypertension, dysentery and other diseases.