Qanun on sharia financial institutions (LKS) is a new regulation that regulates financial institutions in Aceh, so in its implementation it requires sufficient support and
understanding from everyone, especially MSME actors. This study aims to determine the effect of independent variables (literacy, socialization, and social environment) on the dependent variable, namely the understanding of MSME actors in Banda Aceh City towards the qanun LKS. The method used in this research is quantitative. The collection technique is done by distributing questionnaires to the 99 respondents form MSME actors in Banda Aceh using an accidental sampling technique. Hypothesis testing using multiple linear analysis methods with SPSS version 23 tool. The results of this study indicate that partialy, literacy factors, socialization factors and social environmental factors positively and significantly affect the understanding of MSME actors in Banda Aceh City towards the qanun LKS