Abstract: Traditional Chinese medicine(TCM) powder is widely used in clinic, but the methods are different. Based on the data mining of the clinical application of TCM powder for external use, combined with the clinical application practice and relevant modern research, the technical specification for the clinical application of TCM powder(draft) was formed after repeated demonstration by experts of the association. It includes the basic principles of external powder, application principles, applicable to syndromes, contraindications, pre-medication evaluation, pre-medication preparation, preparation and preservation, drug administration methods, drug administration dosage, change frequency, drug administration time and course of treatment, post-medication evaluation, precautions, common adverse reactions and countermeasures, etc. So as to standardize the clinical application of TCM powder for external use to improve the efficacy and reduce adverse reactions.