Sweet potato stems and leaves have health care functions such as improving immunity, stopping bleeding, lowering blood sugar, detoxifying and preventing night blindness.

Sweet potato leaves can smooth the skin. Regular consumption can prevent constipation, protect eyesight, keep skin delicate and delay aging. In Europe, America, Japan, Hong Kong and other places set off a "sweet potato leaf fever".

Sweet potato is a long-lived health food, but its leaves are discarded or used as feed. It was found that the contents of protein, vitamins and mineral elements in sweet potato leaves were extremely high. Protein content is 2.74%, carotene 5580 IU/ 100g, vitamin B2 3.5mg/kg, vitamin C 4 1.07mg/kg, iron 3.94mg/kg and calcium 74.4mg/kg. Compared with spinach, celery, Chinese cabbage, rape, leek, cucumber, pumpkin, wax gourd, lettuce, cabbage, eggplant, tomato and carrot, protein, fat, carbohydrate, calorie, fiber, calcium, phosphorus, iron, carotene, Vc, VB 1 all belong to 14 nutrition. Sweet potato leaves have good health care functions, such as enhancing immune function, improving the body's disease resistance, promoting metabolism, delaying aging, lowering blood sugar, relaxing bowels, promoting diuresis, raising platelets, stopping bleeding, preventing arteriosclerosis, preventing cell canceration, promoting lactation and detoxicating, protecting eyesight and preventing night blindness.

Therefore, sweet potato stems and leaves are good for people's health, which belongs to long-term chronic health and is only good for people.

Ginseng is a tonic, which can take effect in a short time, but if used improperly, there will be many sequelae. For example, there is a saying that deficiency does not make up, which is ginseng.