The phenomenon of smelly farts after eating onions is a detoxification and relaxation of the body, which is very beneficial to human health. The human body toxins generally through stool, urine, sweating and farting and other ways out of the body. Onions are rich in dietary fiber, after consumption to promote gastrointestinal peristalsis accelerated, is conducive to maintaining a smooth bowel movement, to avoid constipation and other situations, and onions belong to the easy to produce gas food, after consumption will appear to fart a lot of phenomena. If the odor fart is in the discharge of toxins, do not worry too much. You can drink more water or hand rubbing around the navel, eat onions as much as possible when chewing and swallowing slowly, to ease the phenomenon of smelly farts, eat more onions can not only promote smooth stool and farting, to help the human body to expel toxins from the body, but also to eat more onions can reduce blood cholesterol, reduce the incidence of vascular atherosclerosis.