Abstract: Objective:To investigate the correlation between health belief and behavior of medical compliance in hypertensive disorder complicating pregnancy patients.Methods:A random sampling method was used in this study.One hundred hypertensive disorder complicating pregnancy patients were investigated with three contents,including demographic information,questionnaire of health belief and behavior of medical compliance about hypertensive disorder complicating pregnancy patients.The statistical package for Social Science (SPSS) 11.0 was used for data analysis.Results:The mean score of health belief with hypertensive disorder complicating pregnancy was 67.94±6.514,the mean score of behavior of medical compliance was 7.87±1.871,there was a significantly positive correlation not only between health belief and behavior of medical compliance but also between health belief and every aspect of behavior of medical compliance in hypertensive disorder complicating pregnancy patients (P<0.01).Conclusions:The behavior of medical compliance influences the effect of treatment of hypertensive disorder complicating pregnancy patients.So the nurse should pay more attention to the behavior of medical compliance and the associated psychological factors of hypertensive disorder complicating pregnancy patients and take more effective measures systematically to reduce or delay the occurrence of hypertensive disorder complicating pregnancy.