This study is an intervention survey. Objectives of this study is effectiveness determination of educational intervention (Health Promotion Model-based) on lifestyle related to vaginitis and relapse of disease in reproductive age women with vaginitis . Questionnaire is the instrument for gathering data. This questionnaire has designed according literature review, qualitative interviews and expert’s panel. After Psychometric (validity -reliability (pre-test is distributing in both intervention and control groups .These questionnaires will be completed by researcher through interview and observation. Sampling procedure is a two-stage clustered sampling. Ten health centers in five regions of North, South, East, West and center of Kermanshah will be chosen randomly. Each center is closed to another will be chosen randomly as a control center and another center as the intervention. The sample size is 340 and 170 sample in each group will examined randomly. Inclusion criteria are: reproductive age (10 to 49 years old), marital status, vaginitis diagnosed, intention to participate in the study, settlement in Kermanshah, no risk of certain diseases (cancer, diabetes, deficiency of the immune systems). After completing the pre-test in both of two groups, intervention will be performed as face to face education, group training and presenting pamphlet. Both of two groups will receive standard treatment in health center. After 4 to 8 months, post-test questionnaire will be completed in both of them. Impact of this intervention on health promoting lifestyle regards vaginitis and relapse of this disease will be measured and results will be analyzed and interpret.