The invention discloses a preparation method and application of a composite Chinese herbal 
medicine lactobacillus fermented beverage, and belongs to the technical field of functional foods. In order to solve the problems that safe and low-
toxicity functional food capable of effectively treating and relieving 
enteritis is lacked in the market, the content of effective components in 
traditional Chinese medicine preparations of rhizoma polygonati and 
chimonanthus salicifolius is reduced, the 
efficacy is not obvious and the like, a 
chimonanthus salicifolius leaf extract and rhizoma polygonati juice are used as 
lactobacillus fermentation raw materials for preparing a 
lactobacillus functional beverage; the 
chimonanthus salicifolius leaf and dried 
polygonatum sibiricum beverage not only utilizes the conditioning function of 
lactic acid bacteria on gastrointestinal tracts, but also improves the 
absorption effect of human bodies on nutritional ingredients and functional ingredients in the 
chimonanthus salicifolius leaves and dried 
polygonatum sibiricum, and has the advantages of complete release of effective ingredients, fast absorption and good taste compared with 
traditional Chinese medicine decoction, granules, capsules, tablets and other dosage forms. More importantly, the obtained composite Chinese herbal 
medicine lactobacillus fermented beverage has the effects of coordinating intestines and 
stomach and treating or relieving 
enteritis, and overcomes the defects that a traditional treatment 
medicine is large in toxic and 
side effect and not suitable for being used for a long time.