Onions themselves are spicy. In the early stage of a cold, especially when you don't know anything about your nose, you can boil water with onions or eat them raw, which can clear your nose and relieve sweating. Onions also have anti-disease and anti-cancer effects, which can prevent and treat cancer. Onions can also improve microcirculation. Onions are rich in dietary fiber, which can help you feel full, promote intestinal metabolism, remove intestinal garbage, prevent constipation and prevent colon cancer. At the same time, moderate intake of dietary fiber can also reduce the incidence of obesity and type 2 diabetes.

Reducing blood viscosity will lower blood pressure, reduce peripheral blood vessels, increase coronary blood flow and prevent thrombosis. It can resist the action of pressor substances such as catecholamine in human body, promote the excretion of sodium salt, and thus lower blood pressure. Red-skinned species: the bulb is big, the skin is purple or dark pink, the meat is white and reddish, the tissue is dense, the texture is crisp, the meat quality is not as tender as that of yellow-skinned species, the water content is more, the spicy taste is heavier, the quality is poor, but it is resistant to storage.

Antioxidants of onion can promote the synthesis of protein, and can also remove bacteria in the body and reduce the infection of bacteria to the skin. It can also promote skin metabolism, expel toxins from the skin, and achieve anti-aging effect. Onion is called Piazi in Xinjiang. Mix Piazi, green pepper and tomato together, just like ordinary cold dishes at home. Very delicious. This dish also has a nice name, which is Pilahong, and it can be cooked all the time.

Many substances in onion can help improve the body's resistance and prevent cancer. Onion can also improve microcirculation and arteriosclerosis of cardiovascular and cerebrovascular diseases, especially for onions suffering from cardiovascular and cerebrovascular diseases, hypertension, hyperlipidemia and diabetes. It can also remove oxygen free radicals in the body, enhance metabolism, resist aging, prevent osteoporosis, have a certain hypoglycemic effect, and effectively prevent arteriosclerosis. In addition, onions contain a substance that can reduce the risk of cancer.