Four kinds of coarse grains can help to lose weight and detoxify 1. Brown rice: the "scavenger" who cleans the large intestine can "suck" the sludge in the intestine and excrete it. 2, sweet potato: the fiber is soft and digestible, which can promote gastrointestinal peristalsis and help defecation. 3, oats: Runchang laxative, with the role of promoting gastrointestinal peristalsis, laxative detoxification. 4, corn: rich in calcium, selenium and vitamin E, can lower serum cholesterol. 7 kinds of diet foods help you lose weight 1, skim yogurt; 2. Expanded grains and skim milk; 3. Large vegetable salad with low-fat or fat-free seasoning; 4. Chew gum; 5. Sugar-free drinks; 6. Apple; 7. Defatted graham crackers or other baked goods.