Source sour plum soup is one of the traditional drinks of this nation, in the masterpiece "Dream of Red Mansions" book thirty-fourth, the hero Jia Baoyu was beaten, then asked Jia mother, : "only yell dry drink, to eat sour plum soup." . Production method materials: dry plum (half a catty), hawthorn (half a catty), cinnamon (one or two), licorice (one or two), ice sugar or brown sugar. 1、Dried umeboshi and hawthorn bought home from the dry goods market must be soaked in water first. 2, together with a small amount of cinnamon and licorice will be soaked plums and hawthorn wrapped in gauze. 3、Fill a large pot with water, put in the gauze bag and boil it over high heat. 4, after boiling, add an appropriate amount of rock candy or brown sugar that can play a role in coloring. 5, simmer over low heat for 6 to 7 hours In hot weather, sour plum soup is becoming more and more popular. Many people only know that it can relieve the summer heat, but do not know the benefits of sour plums, far more than that. In terms of nutritional composition, sour plums are very rich in organic acids, such as citric acid and malic acid. Among them, there is a special kind of citric acid, which can effectively inhibit lactic acid and drive away harmful substances that age blood vessels. The high level of lactic acid in the body is an important cause of fatigue in people. Therefore, when working late at night or feeling mentally exhausted, drinking a cup of sour plum soup can play a good role in refreshing the muscles and vascular tissues to rejuvenate. In addition, so many acidic substances can also promote the secretion of the salivary glands and gastric glands, not only to promote the thirst, out to play can also avoid motion sickness, or after drinking too much alcohol, to play the role of sobriety. Sour plum contains a variety of vitamins, especially vitamin B2 content is extremely high, is hundreds of times that of other fruits. Although the flavor is sour, but it belongs to the alkaline food, meat and other acidic food to eat more, drink some sour plum soup is more conducive to the body's blood pH value tends to balance. From Chinese medicine, people with high liver fire should eat more sour plums. It can not only calm down liver fire, but also help the spleen and stomach digestion, nourishing the liver. In addition, sour plums are also a natural laxative, which can gently moisturize the inflamed parts of the throat and relieve pain. In daily life, according to different tastes, home-made different flavors of sour plum soup. For example, with 20 grams of sour plums, 10 grams of licorice, 10 red dates, add the right amount of sugar, cook some red dates and sour plum soup, can play a role in quenching thirst and spleen. Or with 100 grams of green beans, 50 grams of sour plums, plus sugar cooked into green beans and sour plum soup, can clear the heat and relieve summer heat, and promote the cough. However, children had better eat less sour plum food. Because their gastric mucous membrane structure is weak, can not resist the continuous erosion of acidic substances, over time, easy to trigger gastric and duodenal ulcers.