This study aims to integrate the Maqasid Shariahof Islamic law with consumer behavior theory, employing the reconstruction theory approach. This study was mix method whichintegrates the qualitative method and operationalisation variables were employed. This study has successfully collected 123 respondents and using a simple additive weighting (SAW) which based on based on a simple addition of scores that represent the goal achievement under each criterion, multiplied by the particular weights. The findings underscore the complexity of consumer behavior and highlight the multifaceted factors that influence decision-making. These factors go beyond basic economic considerations, incorporating elements such as religiosity, knowledge, and societal norms.The research enriches this theoretical framework through empirical analysis, utilizing a qualitative methodology to operationalize variables and employ a simple additive weighting technique to assess the preliminary results. The study ranks respondents based on their application of consumer behavior principles aligned with the Maqasid Shariah, making it one of the first to explore the intersection of consumer behavior theory and the reconstruction of Maqasid Shariah.