Abstract: Based on the completion of literature search and evaluation and the formation of literature summary, the "TCM Classification and Determination Standards for Children's Constitution (Formulation)" was developed through three rounds of expert questionnaires, expert validation sessions, cross-sectional surveys, and public opinion solicitation. The standards propose the scope of application, normative references, terms and definitions, age stratification, classifications of children's constitution, characteristics of children's constitution, and the determination of children's constitution of TCM. The purpose of this standard is to provide a standardized and objective reference for the clinical practice.