1, invigorating qi and blood. Sweet potato is especially good for the skin, and people with rough skin will gradually become moist if they eat sweet potato frequently. Sweet potato is qi and blood tonic, and its function can be compared with jujube, which is not as easy to get damp and hot as jujube. Pale-faced girls who insist on eating sweet potatoes for a long time can improve their facial color.

2, laxatives to lose weight. Eating sweet potatoes can effectively prevent sugar from turning into fat, which is conducive to weight loss and bodybuilding. Sweet potato contains a lot of dietary fiber, which cannot be digested and absorbed in the intestine. It can stimulate intestinal tract, enhance peristalsis, relieve constipation and detoxify, especially for senile constipation.

3. Anti-aging. Inhibit the production of melanin and prevent the appearance of freckles and senile plaques. Red can also inhibit skin aging, maintain skin elasticity and slow down the aging process of the body.