Abstract: Objective A new behavior change path model was built to explore the influencing factors and behavior change model on children's mimunization in minority areas.Methods With stratified-cluster random sampling,villages were selected in 3 intervention counties and 291 mothers with children under 2 years old were surveyed using self-designed questionnaire.Path analysis was used to build a behavior change model on children's mim unization.Results The mothers' scores of knowledge,attitudes,intents,emergency management,social support and mimunization behaviors were 39.7,11.8,11.82,11 1,10.6,and 28.3,respectively.The behaviors of children's immunization were influenced by information,education and communication(IEC)strategies,knowledge,attitudes,intents,emergency management,social support and some demographic and social characteristic,sand those factors were also interactional.Conclusion Individuals' public and social factors should be taken into account for effective strategies to improve children's mimunization.