Onion seedlings are also usually edible. Seedlings of onions usually do not contain toxic substances such as lobelia or erythromycin, so they can be eaten normally. However, it is generally recommended that onions be eaten as soon as possible before they sprout and grow seedlings, because after sprouting and growing seedlings, the flavor of onions will be affected to some extent, and the taste is relatively not very good. Onions and onion seedlings contain a variety of nutrients, such as carbohydrates, dietary fiber, calcium, and flavonoids, choline, etc., usually appropriate to eat some of the body to provide nutrients, good for health. But when you eat to control the amount, do not eat too much, so as not to stimulate the gastrointestinal tract. It is recommended to pay attention to the scientific and rational combination of diet, do not favor picky food, if the body has any discomfort, timely to the regular hospital.