1 The results showed that Cacumen Biotae and its processed products contain rich inorganic elements.

2 Rhubarb, Cortex phellodendri, Cacumen platycladi and Borneol of Shuangbai-Yantong spray were qualitatively analysed by TLC. This method is simple, repeatable and satisfying.

3 ObjectiveThe chemical constituents of the essential oil from Cacumen Platycladi in Xinjiang were analyzed by GC-MS.

4 AIM:To establish the fingerprint for Cacumen Platycladi (carbonized) by HPLC.

5 Method: Radix Rehmanniae, Cacumen Platycladi, Folium Artemisiae Argyi, Folium Nelumbinis were identified by TLC, and the content of quercitrin was determined by HPLC.

6 OBJECTIVE To compare the difference of volatile compounds in Platycladi Cacumen treated with different sample acquisition methods.

7 The contents of volatile oil, total flavones and tannins in Cacumen Biotae and its different processed products were determined.