Indonesia's diabetes (DM) population was ranked 7th out of 10 countries with approximately 10.7 million patients in 2019. The role of the pharmacist in the medication management of 2,3 DM patients was to solve the problem of drug therapy through counseling and education to prevent the patient. And the medical team and drug therapy monitoring. The goal of the study was to determine the influence of counseling carried out by pharmacists on diabetes mellitus patients in Indonesia on the success of therapy through a review. The literature search was carried out in March-April 2020 using the Google Scholar search engine with the keywords counseling, diabetes mellitus, effectiveness, pharmacy, and Indonesia. Journals were selected based on inclusion and exclusion criteria through a critical assessment process. A review of 16 journals shows that it could systematically improve adherence and effectiveness of therapy. Therefore, counseling by pharmacists with any media can increase the success of therapy in DM patients.