The efficacy of sweet potato Sweet potato is also called sweet potato, sweet potato, sweet potato, sweet potato, sweet potato, sweet potato, sweet potato, sweet potato, jade pillow potato. Common perennial dicotyledonous plants, herbs with slender vines and stolons. Tuberous root, anaerobic respiration produces lactic acid, with white or red skin and yellow-white meat. Besides being used as food, it can also be used to make sugar and alcohol. Sweet potato, also known as sweet potato, sweet potato, sweet potato. Because of different regions, people call it sweet potato, Sichuan sweet potato, Beijing sweet potato and Fujian sweet potato. Its hometown is South America, and it was introduced to China at the end of 16. Nowadays, there are traces all over China except the Qinghai-Tibet Plateau. Because it was introduced to China from abroad, in the old society, China people used to call foreigners "Fan". For example, Cantonese calls foreigners "Fan Guigui" and foreigners "Fan Gang". Therefore, foreign sweet potatoes are of course called sweet potatoes. Sweet potato, also known as sweet potato, sweet potato. It has many varieties, such as sweet potato, dried sweet potato, yellow potato and sweet potato. According to color, there are white skin and red skin. Sweet potato is an ideal natural health food, which contains vitamin E, starch and glucose. Has effects in invigorating spleen, regulating stomach, invigorating qi, nourishing yin, promoting lactation, eliminating sores, relieving swelling, and beauty beauty. It can treat diarrhea, thirst quenching, night blindness, damp-heat jaundice, especially constipation, with unique curative effect. Sweet potato leaves can cure malnutrition, diabetes and nameless swelling and pain in children. Sweet potato can be used as a staple food, as a dish, steamed, boiled, roasted, dried and ground into various foods, or made into glutinous rice flour, vermicelli, wine, vinegar and so on. Xuwen has a long history of planting sweet potatoes, and the sandy soil along the coast is the most suitable for planting, so Xuwen's sweet potatoes are sweet and smooth, with clear fragrance, high yield and even and large fruits. Biologists in philadelphia university, USA, found that dehydroepiandrosterone was contained in sweet potato and injected it into mice raised to cultivate cancer cells. It is found that it can prevent breast cancer and colon cancer and prolong the life span of mice by one third. It was found that it increased by 100 per kilogram in human blood, and the mortality rate decreased by 36%, which decreased with the increase of human age. People with high content will live longer. Science has proved that it has the functions of preventing cancer and prolonging life. Japanese scholars found that sweet potato contains mucin, which is a mixture of polysaccharide and protein, belonging to collagen and mucopolysaccharide. It shows magical physiological functions in the body, which can improve health, prevent fatigue, make people full of vitality, prevent cardiovascular fat deposition, keep the elasticity of arterial wall, prevent the atrophy of liver, kidney and connective tissue, combine with inorganic salts to form bones, and keep the software elastic, which is quite effective in preventing collagen diseases. Traditional Chinese medicine believes that it is sweet in nature and has the functions of tonifying deficiency and benefiting qi, strengthening kidney and stomach, diminishing inflammation and detoxicating, clearing away liver-fire, benefiting gallbladder and improving eyesight. The following remedies and prescriptions can be used for dietotherapy reference: 1. Gastric acid deficiency gastritis, jaundice, night blindness: 500 grams of sweet potato. Wash, mash, wring juice, add sugar and steam to take. You can also eat it roasted and peeled. 2. Jaundice diarrhea: 500 grams of sweet potato. Wash, cut into small pieces, first boil the water, add rice or slowly add 60 grams of corn flour, stir while adding, and cook into thick porridge to eat. 3. Ulcer and mastitis do not fester: the sweet potato is washed, peeled and mashed, and applied to the affected area. You can also add garlic paste after steaming, mix well and apply externally. 4. Eczema: Wash and mash raw sweet potatoes, juice them, and apply gauze to the affected area, 1-2 times a day 1 time. 5. Postpartum abdominal pain: 250 grams of sweet potato. Roast, peel, and eat small cups of yellow wine 1. Drink 1 cup of brown sugar ginger soup after eating. 6. Edema: 250 grams of sweet potato and 2 slices of ginger. Dig a small hole in the sweet potato, add ginger slices and bake the cooked food twice a day, once in the morning and once in the evening. 7. Dry mouth and sore throat: Dried sweet potatoes are ground into powder with proper amount of sugar, and cooked food is taken with boiled water. 8. Habitual constipation: Wash and cut sweet potatoes and cook them, eat sweet potatoes and drink soup. 9. frequent urination due to yang deficiency: sweet potato and dog meat have the same amount. Wash and cut into pieces, add seasoning and yellow wine, put in an enamel pot, and stew the cooked food in water.