This paper systematically probe into Traditional Chinese Drug(TCD) Dalbergia odorifera. Over 20 batches of medicine materials are identified with properties methods; molecule biological technique random Amplified polymorphic DNA(RAPD) is applied to identify Dalbergia odorifera, and provide ample RAPD fingerprinting. 2 compounds are extracted and identified. That is isoliquiritigenin[ (2-propen-1-one, 1-(2, 4-dihydroxyphenyl)-3-(4-h ydroxyphenyl)-$$2~p)] ; 4-methoxyl, 5~hydroxy-aurone. Contents of these are ...