The invention relates to a compounded traditional Chinese medicinal 
rana chensinensis extract preparation and an application thereof in preparation of a 
medicine and a cosmetic for treating and preventing acnes, and belongs to the technical field of 
traditional Chinese medicine preparations. A preparation method of the preparation comprises the following steps: removing impurities and dust from dried 
rana chensinensis and smashing, then adding a compound 
enzyme hydrolysate and centrifuging to obtain a supernate at an upper layer; 
grinding the rest of mixtures, then shearing and carrying out 
spray drying to form 
powder, adding the supper micropowder into an 
acetic acid and carrying out ultrasonic treatment, then filtering the micropowder with a gauze and centrifuging to obtain a supernate, and carrying out reduced pressure concentration on the supernate so as to obtain a mixture of polysaccharides, antibacterial peptides and 
calcium ions; mixing the mixtures so as to obtain a mixed 
rana chensinensis extracting liquid; mixing the mixed 
rana chensinensis extracting liquid with a compounded 
medicine extracting liquid so as to obtain the compounded traditional Chinese medicinal 
rana chensinensis extract preparation. The obtained preparation is a traditional Chinese medicinal preparation which has no 
side effect and can be used for supplying sufficient 
nutrition to cells and restoring injured cells, wherein the antibacterial peptides can be combined with the 
calcium ions so as to enhance a 
bactericidal effect. The obtained preparation is nonirritating to 
skin mucosa, rapid in bactericidal speed, rapid in curing of nidus positions, simple and convenient to use, colorless and odorless, and is suitable for people in different ages.