The study intended to evaluate how the internal referral linkages or systems facilitate in TB/HIV integrated services in terms of efficiency and effectiveness in Babati town hospital. The study also aimed at identifying major elements or components which are responsible to make TB/HIV services integrated. The study expounded the health providers’ perception towards these internal referral linkages and also intended to find out challenges encountered in the process of delivering TB/HIV integrated services through internal referral linkages and make suggestions on how to overcome or minimize these challenges. The design of the study was descriptive study to evaluate the processes in the implementation of TB/HIV integrated services through internal referral linkages/referrals. In the data collection process, the study employed mainly primary data. The tools which were used to collect data were highly structured self administered questionnaire in multiple choice format and closed short answers. The study objective was to evaluate the implementation of TB/HIV integrated services through internal referral linkages in terms of efficiency and effectiveness in Babati town hospital. The purpose of the study was to find out how internal referral linkages facilitate the implementation of TB/HIV integrated services in line with National and International policy, guidelines and standards towards reducing the burden of both TB and HIV infections in the community. The study was conducted in Babati town hospital and comprised of 51 respondents who were from different departments of the hospital and mainly from TB/HIV Components. Evaluation tools which were used to collect data were structured questionnaire self administered and filling of short answers questions. From the study, it is revealed that, in order for internal referral linkages to be efficient and effective, they need to be facilitated by almost all health providers who have the training, knowledge and skills in TB/HIV diseases and services.