Round onion seedlings can be eaten. The seedlings that grow from round onions are called round onion seedlings, and when cut, they can be made into scallions as a seasoning. Its nutritional value is similar to that of round onion, with a change in flavor, but it does not affect consumption and does not present harmful substances. Each 100 grams of round onion seedlings can provide 40 calories, which contains 9.34 grams of carbohydrates, 1.1 grams of dietary protein, 0.1 grams of fat, vitamin C 7.4 mg, calcium 23 mg. Moderate consumption can provide the body with the above nutrients, which is beneficial to human health. However, it should be noted that round onions are usually easy to germinate and grow seedlings in a humid environment, and a humid environment can easily lead to the growth of mold. Therefore, you must make sure that the onion seedlings are not moldy before consumption, otherwise it may easily lead to food poisoning.