Theories and models in health behavior intervention and promotion were generally summarized and categorized as continuum models with social cognitive variables directly used to predict behavior change and stage models with the process of behavior change decomposed into a series of quantitatively different stages.A new integrated stage model,Health Action Process Approach(HAPA) was overviewed in this paper.Directions and suggestions such as the suitability and accuracy of HAPA stage classification in behavior change process,comparative study o...