1, nutritional value: green onions and onions are rich in vitamins, minerals and dietary fiber and other nutrients, has a very good health care, green onions taste more spicy, lower calories, more suitable for stimulating the appetite and promote digestion, while the taste of onions is more sweet, higher calories, more suitable for increasing satiety and lower blood sugar.

2, efficacy: hairy onions have a certain bactericidal effect, can prevent colds and intestinal diseases and other diseases, while onions have a better lower blood pressure and lower blood lipids, for the prevention of cardiovascular disease has a certain help.