Studies on Analytical Method of Guiqi Mixture and Its Main Ingredient Astraglus Root Studies on Quality Standard of Tanre Kesou Granules Pharmacognostical Identification and Commercial PrOduct Investigation of Traditional Chinese Drug Jiuyanduhuo Studies on quality evaluation of Dendrobii devoniani Establishment of A TLC Identification Method for Xuanshen(Radix Scrophulariae) Qualitative Identification of Tongxiening Granule Pharmacognostic study on Ficus hirta