Preparation method and application of traditional Chinese medicine composition for relieving pharyngitis, relieving cough and reducing sputum

The invention belongs to the field of food, health care products and traditional Chinese medicine preparations, and particularly relates to a preparation method and application of a traditional Chinese medicine composition for relieving pharyngitis, relieving cough and reducing sputum. The composition comprises the following raw materials: dandelion, lophatherum gracile, fresh rhizoma phragmitis, momordica grosvenori and phyllanthus emblica. The preparation method comprises the following steps: mixing the dandelion, the lophatherum gracile, the siraitia grosvenorii and the emblic leafflower fruit, adding water for extraction, and filtering to obtain an extracting solution A; juicing the fresh rhizoma phragmitis, and filtering to obtain filter residues and filtrate; adding water into filter residues, extracting, and filtering to obtain an extracting solution B; and finally, mixing and concentrating the extracting solution A, the extracting solution B and the filtrate. The five medicines are medicinal and edibl