Objective To explore the influencing factors of Home Blood Pressure Monitoring (HBPM) behavior in hypertensive patients, in order to provide a reference for developing targeted intervention.Methods A total of 18 hypertensive patients were selec-ted using purposive sampling, theoretical sampling and snowball sampling methods to conduct semi-structured interviews, then a model on influencing factors of HBPM in hypertensive patients was constructed through open coding, axial coding and selective coding.Results Patient-related factors directly affected their HBPM behavior, disease and treatment-related factors were internal situational factors, medical service system factors and socioeconomic factors were external situational factors, which played a regulatory role in HBPM behavior.Conclusion Medical staff should evaluate the barriers and enablers affecting patients′HBPM behavior in time, strengthen physician-client communication and improve the follow-up system, formulate individualized intervention mea-sures to improve patients′ HBPM behavior, and optimize blood pressure management.