It is the soup head of Radix Adenophorae, Radix Ophiopogonis, Rhizoma Polygonati Odorati and Trichosanthis Radix, which are sweet and cold to moisten, promote fluid production and moisten dryness; Lentils, licorice and stomach nourish qi; When combined with winter mulberry leaves, it is appropriate to burn and dry heat, and when combined with the whole prescription, it has the effects of clearing away lung and stomach, promoting fluid production and moistening dryness. Can enhance the body's immunity and other functions. The clinical application of traditional Chinese medicine takes dry throat and thirst, dry cough and less phlegm, and red tongue and less coating as the main points of its soup syndrome.