The effects of raw onion: 1, can reduce the incidence of intestinal infectious diseases, because the onion is rich in sulfur-containing chemicals, these sulfur-containing ingredients for the intestinal tract many pathogenic bacteria have a good kill and inhibit the role of appropriate raw onion, for the prevention of intestinal infectious diseases is very obvious. 2, from the perspective of Chinese medicine food therapy can be published, through the Yang, because the onion taste pungent, warm, for the cold, especially wind-cold has a very good effect, by nourishing the Yang and Yang, improve health benefits. It has a very good effect on cold and flu, especially wind-cold cold, and has a very good benefit of promoting yang and improving the body quality by nourishing yang energy.