Onion has the function of lowering blood pressure and blood fat. For patients with hyperlipidemia, it is necessary to take onions in moderation to reduce blood lipids, especially triglycerides and total cholesterol, and it is necessary to check them regularly. It can also improve male function, especially for patients with frequent urination and dripping caused by prostatic hypertrophy and prostatic hyperplasia, and can stimulate prostaglandin secretion, thereby improving prostate function and even improving male premature ejaculation and erectile dysfunction.

Onion has high nutritional value, not only contains a lot of vitamins, but also contains a certain amount of volatile oil, so it can stimulate the digestive gland of the human body, and has the functions of strengthening the spleen and stomach and promoting digestion. In addition, onion contains a certain amount of bactericidal substances, which can effectively kill streptococcus and staphylococcus, keep the body healthy at all times and avoid being infected by germs.

The most significant nutritional value and efficacy of onion is sterilization and anti-inflammation. Proper consumption of onion can kill harmful bacteria invading human body and effectively prevent inflammation. At the same time, onion also plays an active role in preventing cancer, cardiovascular and cerebrovascular diseases and cerebral thrombosis, reducing the possibility of illness. Moreover, onion is rich in trace elements, which can effectively promote human gastrointestinal digestion, improve human metabolic function and play a beneficial role in its health.