Scaly fleshy, yellowish and soft, with fine structure, strong spicy taste, oblate, 6~8cm in diameter.Onion in foreign countries it is known as the "queen of dishes", nutritional value is not low.Onions are reported to be one of the most effective vegetables in preventing bone loss. They are easy to cook and taste delicious.Cut off the root of the onion, peel off the old skin, wash the sand, raw, cooked food can be.