This document stipulates the terms and definitions, evaluation index system, evaluation methods and grade classification of the "front-runner" standard evaluation of fresh Dendrobium officinale freeze-dried powder. This document is suitable for the evaluation of the enterprise standard level of fresh Dendrobium officinale freeze-dried powder. Relevant institutions can refer to it when formulating the "front-runner" evaluation plan for corporate standards, and enterprises can refer to it when formulating corporate standards.