Objective: To determine the effect of smoking activity with incidence of type 2 diabetes mellitus in RSUD Syekh Yusuf Gowa and RSUD Salewangang Maros in January to Februai 2015. Methods: The study was an observational analytic cross-sectional design. The sample is type 2 diabetes patients in RSUD Syekh Yusuf Gowa and RSUD Salewangang Maros in January to February 2015 were taken using a non-prop…