Sweet potato and pumpkin both have laxative effect, sweet potato is rich in dietary fiber and and protein, fat, vitamins A, B, C, E and various trace elements and minerals. Regular use helps the bowel movement, at the same time can promote intestinal detoxification helps prevent cancer. Sweet potatoes contain more starch if too much use is easy to make people fat, pumpkin can promote intestinal peristalsis helps laxative, and pumpkin has the effect of lowering blood pressure, lowering blood sugar. Sweet potatoes belong to the vegetable food and high sugar content, so which specific food is more laxative, according to personal physical condition. If the stomach digestive function is not good need to eat less sweet potatoes, because sweet potatoes contain more starch is not easy to digest, if you have high blood pressure or diabetes, eat more pumpkin can help lower blood pressure, lower blood sugar, can also help the body laxative and pumpkin is also a good food to prevent cancer.