The invention relates to a
traditional Chinese medicine for preventing
estrogen deficiency from causing bone loss. The
traditional Chinese medicine is prepared by the following original medicinal materials in parts by weight: 6-12 parts of
rehmannia glutinosa, 4-6 parts of rhizoma dioscoreae, 4-6 parts of fructus lycii, 4-6 parts of
semen cuscutae, 4-6 parts of colla corni cervi, 4-6 parts of colla plastri testudinis, 4-6 parts of
fructus psoraleae, 4-6 parts of rhizoma drynariae, 2-4 parts of cortex eucommiae and 2-3 parts of liquorice. At the same time, the invention provides a preparation method of the
traditional Chinese medicine with
water extraction and
alcohol precipitation. The traditional Chinese
medicine takes into account symptoms and root causes all-around and applies tonification and purgation, and has an
efficacy of nourishing
kidney and strengthening essence and enriching marrow and strengthening bone altogether, so that the purpose of preventing
estrogen deficiency from causing bone loss is achieved. The
water extraction and
alcohol precipitation is adopted by the preparation method of the traditional Chinese
medicine to extract active ingredients and removing inactive ingredients in the original medicinal materials, and furthermore, the
efficacy of the medicines is increased. The
medicine has no obvious toxic and side effects and no obvious taboo when administrating.