The present invention discloses a 
medicine and a preparation method for preventing and treating 
kidney essence deficiency. The 
medicine provided by the present invention has the 
efficacy of nourishing yin and tonifying yang, nourishing the 
kidney and strengthening the essence. The present invention can prevent and cure various diseases caused by 
kidney essence deficiency, such as 
growth retardation in children, 
oligospermia and 
sterility in male, less menstruation and 
amenorrhea in female, sexual deficiency, adult presenility, alopecia and loose teeth, dim eyesight and 
ear ringing, 
amnesia, foot atrophic debility, sexual hypofunction and 
osteoporosis. The present invention includes the following raw materials: prepared 
rehmannia root, yam, asiatic cornelian cherry fruit, barbary wolfberry fruit, dodder seed, deerhorn glue, 
tortoise-shell glue, 
ginseng, Chinese angelica, scurfy pea, 
eucommia, pachyma cocos, 
cassia bark, dried citrus peel and 
amomum villosum. According to the properties of each Chinese 
medicine, all raw materials are made into 
condensed water-paste pills, 
condensed water-honeyed pills or capsules through procedures of 
air drying, 
freeze drying and 
grinding, decocting and extracting, decompressed 
drying and 
grinding and disinfecting, which pertains to the art of Chinese medicine. The present invention has the advantages of scientific production method, no change of effective ingredients and significant prevention and cure effect.