The aim of this research is to study the influence of Islamic business ethic including responsibility, free will and justice to internal factors including management, human resource and capital toward the performance of halal food business. Data analysis of this study used descriptive analyses and structural equation modeling (SEM) with partial least square (PLS) approachment using smartPLS 3. Primary data type distributed by questionnaire and use purposive sampling technique were applied. The result from this research was the existence of influence from Islamic business ethic 49,9% and internal factor 37,3% toward the performance of halal food business. So, the result of hypothesis test was accepted the H1 (the influence of Islamic business ethic toward performance of halal food business) as 3,706 and H2 (the influence of internal factor toward the performance of halal food business) as 0,152. The conclusion was Islamic business ethic influence to performance of MSME halal food business, however Internal factor had no effect toward the performance. Overall, independent variables had positive impact toward performance of MSME halal food business.