ABSTRACT This study aims to see how the application of halal tourism in tourist attractions in Siak Sri Indrapura Regency has been optimally implemented based on MUI Fatwa No.108/DSN-MUI/X/2016, and to see how the income of MSMEs in tourist attractions is different before and after the MUI Fatwa. The sample in this study used purposive sampling. The sample in this study was 16 respondents. T…