In many places, onions are eaten raw. The effect is better. Onions have the functions of scraping oil, clearing blood lipids, and promoting insulin secretion. Therefore, they are a rare weight loss product. However, after eating onions, you will particularly want to eat meat, so you should be steady at this time, do not eat meat, but control the intake of onions. To retain the effectiveness of onions, it is recommended not to overcook them and eat them raw if you can. If you can't stand the spiciness, blanch it in water and eat it cold.