Objective To explore the reasons for the rejection of mobile health platform in patients with hypertension, and to provide a reference for later improvement of the platform and effective management of patients. Methods A semi-structured interview was performed on 13 hypertensive patients using qualitative research methods.Colaizzi′s seven-step analysis was used to analyze the data. Results The reasons for patients′ refusal to use mobile health platform included resistance to new technologies, feeling at risks, poor management, inconvenient usage, untimely feedback, lack of new contents, frequent forgetting, feeling good about disease conditions, and lack of social support. Conclusion Medical staff should accurately identify the specific reasons why hypertension patients refuse to use the mobile health platform, formulate improvement schemes by taking the platform itself, patients and their families,and medical staff into consideration, try to enhance patient satisfaction and utilization rate of the platform, so as to better the platform and assist patients with disease management.