Purpose/significance To develop a health behavior assessment scale under the concept of proactive health, and to provide references for the formulation of health behavior policies. Method/Process Referring to relevant scales, combining the concept of proactive health, and through expert consultation, a health behavior assessment scale is compiled. The online health community users who actively implement the concept of proactive health are selected as the research objects, and pre-research and formal research are conducted through questionnaires. The reliability and validity of the scale are analyzed using SPSS25.0 and AMOS23.0. Result/Conclusion The health behavior assessment scale developed under the proactive health concept includes 5 dimensions:sports and exercise, nutritious diet, emotional management, lifestyle, and health responsibility, with a total of 24 items. Through the empirical research, it has certain scientificity and applicability.