Purpose − This study aims to analyze the implementation of da’wah management functions in improving the activities of majelis taklim in Kualuh Hulu District, North Labuhanbatu Regency. Method − This research used a qualitative approach with a descriptive research type. The research informants consisted of the heads of majelis taklim, administrators, Islamic preachers, congregation members, and community leaders selected through purposive sampling technique. Data collection techniques were conducted through observation, interviews, and documentation. The data were analyzed using the Miles and Huberman interactive analysis model, including data reduction, data presentation, and conclusion drawing. Findings − The results of the study indicate that the functions of da’wah management, namely planning, organizing, actuating, and controlling, have been implemented in majelis taklim activities. The implementation of these functions has a positive impact on improving religious study activities, socio-religious programs, and congregation participation. The planning function helps in arranging programs systematically, the organizing function clarifies the division of responsibilities among administrators, the actuating function increases the motivation and participation of congregation members, while the controlling function assists in evaluating activities to improve future programs. Supporting factors include the support of religious and community leaders, cooperation among administrators, and the enthusiasm of the community toward religious activities. Meanwhile, inhibiting factors include limited funding, inadequate facilities, limited human resources, and low involvement of younger generations. Therefore, the implementation of da’wah management functions plays an important role in enhancing the effectiveness and sustainability of majelis taklim activities in Kualuh Hulu District, North Labuhanbatu Regency.