Yes, they are all good for the human body. The raw materials for making sour plum soup are: ebony100g, hawthorn100g, licorice100g, osmanthus fragrans 5g, and appropriate amount of rock sugar. The specific method is as follows: first, add a spoonful of water to the basin, and soak the ebony, hawthorn and licorice in the water for 30 minutes; Then add 1000g of water into the casserole, then put the soaked ebony, hawthorn and licorice into the casserole, then boil it with strong fire, then cook it with low fire for 30 minutes, then add a proper amount of crystal sugar into the pot, and then cover the pot and cook it for about10 minute. After boiling, stir it with a small spoon for a few times, and then put it into a small bowl. Finally, add a spoonful of osmanthus fragrans and stir well. This delicious sour plum soup is ready. Chinese medicine believes that ebony can astringe the lung to stop cough, astringe the intestine to stop diarrhea, and regulate the stomach to stop vomiting. On the one hand, its powerful astringency is reflected in its efficacy, so it should not be used frequently after injury to avoid the disadvantages of qi stagnation and blood stasis. Because sour plum soup has astringent effect, patients with fever can't eat it except trauma.