BackgroundHealth is a state of health, both physically, mentally, spiritually, and socially that allows everyone to live a productive life socially and economically. Pulmonary tuberculosis is a global health problem that could impact on productivity and quality of life. The number of TB cases in Indonesia According to WHO, there are an estimated 1,020,000 new TB cases per year (399 per 100,000 population) with 100,000 deaths per year (41 per 100,000 population). Pulmonary tuberculosis is a global health problem that can impact productivity and quality of life. The persistence of family support in improving the compliance of pulmonary tuberculosis patients in taking medication is the key to the success of tuberculosis treatment. AimsThis study aims to determine the involvement of religious organizations in supporting tuberculosis patients to improve treatment adherence. MethodsThis research is a qualitative study with a phenomenological approach. Data were collected using in-depth interviews and then analyzed by content analysis. The informants in this study consisted of 8 participants. ResultThe results of this study found three themes, namely Understanding TB treatment, Socialinteraction management, and Socialsupport. ConclusionsIt was concluded that the support of religious organizations during the patient’s treatment can increase the patient’s compliance to take medicine regularly and make regular controls/visits. It is also recommended that families encourage patients to continue to participate in religious activities while still complying with health procedures.