There are many ways to eat sweet potato leaves, which are slightly introduced here. Select the tender tips of the leaves, boiling water, scalded, with sesame oil, soy sauce, vinegar, chili oil, mustard, ginger and other seasonings, made of coleslaw, the appearance of its tender green, can be appetizing. Can also be sweet potato leaves with shredded meat and stir-fried together, eat the sweet and fragrant, distinctive flavor. In addition, sweet potato leaves can be used in soups or porridge. The Japanese market has canned pickled sweet potato leaves for sale, we can also add salt to make it into savory dishes, small dishes for consumption.1. Pickled small dishes. Wash and scald the sweet potato leaves, control the water and add salt, and use it as a side dish. 2. Wash sweet potato leaves, scalded with boiling water, add salt, chicken essence, vinegar, sesame oil and mix well. 3. One is with shredded meat and stir-fried, add salt, chicken essence, soy sauce can be, taste fragrant and sweet; another is a vegetarian fried, fried sweet potato leaves with peanut oil, just add salt can be, there is a treatment of constipation effect. Taking method is: general constipation 1 time a day, habitual constipation 2 times a day, continuous taking can be effective. During the period of taking prohibit eating chili, wine and other hot products and tea, coffee and other beverages.4. Boil. Choose 60 ~ 90 grams of tender sweet potato leaves, 120 grams of sheep liver, both washed and cut fine, add water to cook food, served 2 ~ 3 times, can treat night blindness. Sweet potato leaves, i.e., the young leaves at the top of the above ground seedling stems after the sweet potato matures in the fall. Tests show that every hundred grams of fresh sweet potato leaves contain protein 2.28 grams, 0.2 grams of fat, sugar 4.1 grams, the mineral potassium 16 mg, iron 2.3 mg, phosphorus 34 mg, carotene 6.42 mg, vitamin C 0.32 mg. 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 highly nutritious vegetable varieties, calling it "Queen of Vegetables". Research has found that sweet potato leaves can improve immunity, stop bleeding, lower sugar, detoxification, prevention and treatment of night blindness and other health functions. Regular consumption of constipation prevention, vision protection, but also to maintain delicate skin, delay aging. In recent years in Europe and the United States, Japan, Hong Kong and other places set off a wave of "sweet potato leaf fever". Food made with sweet potato leaves, and even put on the hotel, restaurant tables. In our country, the city supermarkets do not see sweet potato leaves for sale, farmers harvested sweet potato leaves, together with the stems thrown in the ground, or used as feed for livestock, which is a great pity.