Background: Implanting a permanent pacemaker is a life-saving technique that has grown in popularity recently. Patients can maximize the benefits of a permanent pacemaker implantation through acquiring self-care management skills to integrate into daily activities. Aim: The purpose of the study was assessing self-care management behaviors for patients with permanent pacemaker and activities of daily living efficiency. Design: A descriptive design was utilized. Setting:  This study was carried out at a cardioverter-defibrillator clinic at Elnasr Specialized Hospital in Port-Said city. Sample: A purposive sample. Tool: the data was gathered through three tools; first tool was the Patients' interview sheet. Second tool was self-management behaviors for patient with permanent pacemaker. Third tool was Barthel Index of activities of daily living. Result: According to the current study's findings, 73.4% of the patients in the study had unsatisfactory level of maintaining a permanent pacemaker's effectiveness. While the total of daily activities for the study participants were 16.7±1.35. Conclusion: The current study revealed that the low level of self-care management behaviors for patients after implantation. While the level of activities of daily living remained stable. Recommendations: A pamphlet will be provided to all patients with a permanent pacemaker as part of an ongoing home care program to improve their knowledge and habits around the device.