[Studies on chemical components and pharmacological activities of Os Draconis (Longgu) and Ostreae Concha].

The source of Os Draconis (Longgu) has been greatly limited along with implementation of the regulation on the protection of fossils from January 1, 2011. Fingding substitute for Os Draconis becomes an urgent problem. Here, we summarized drug properties of Os Draconis and Ostreae Concha. Moreover the two herbs were usually compatible application in the clinical treatment since they possess similar chemical components and pharmacological activties. In term of these researches, Ostreae Concha may be substitute candidate for Os Draconis.