Sweet potato leaves can enhance immune function, improve the body's disease resistance, promote metabolism, delay aging, lower blood sugar, facilitate urination, increase platelets, stop bleeding, prevent arteriosclerosis, prevent cell canceration, promote lactation and detoxification, and protect It has good health functions in improving eyesight and preventing night blindness.

Sweet potato leaves are the young leaves at the top of the above-ground seedling stems after the sweet potatoes mature in autumn. Tests show that every 100 grams of fresh sweet potato leaves contains 2.28 grams of protein, 0.2 grams of fat, 4.1 grams of sugar, 16 mg of mineral potassium, 2.3 mg of iron, 34 mg of phosphorus, 6.42 mg of carotene, and 0.32 mg of vitamin C. Comparing it with common vegetables, the content of minerals and vitamins is superior, and the carotene content is even higher than that of carrots. Therefore, the Asian Vegetable Research Center has listed sweet potato leaves as a highly nutritious vegetable variety, calling it the "Queen of Vegetables"