Abstract: The microscopic observation of powdered crude drugs is used as one of the scientific methods to identify the crushed crude drugs, especially the Chinese traditional pharmaceutical preparations such as pills, powders and pastilles. he powdered drugs which are the ingredients of these preparations, were selected and studied, among which the microcharacteristics of 35 species were published in the Acta Pharmaceutica Sinica, Vol. 13, No. 3, 4, 5 in 1966. The present paper deals with more than 60 species studied and unpublished. It will be continuously reported in several issues.