The aim of the research is to investigate the influence of mobile banking usage toward the students' consumptive behavior level in online shopping that can be used as a source of information or scientific references and it is able to provide a control group of students, especially students who tend to have consumptive behavior in using a technology. The research type is quantitative. The type of data in this study using primary data source collected from the questionnaire distribution with random sampling. The samples were 100 respondents of Faculty of Economics and Business Universitas Muhammadiyah Yogyakarta (FEB UMY) were selected based on the formula calculation of the amount of sample using methods slovin. The date were then analyzed using Structural Equation Modelling (SEM) while Smart-PLS3.0 application was utilized to test the hypotheses. The results of the research show that mobile banking usage has influence toward the students' consumptive behavior level in online shopping. The variable mentioned has positive and significant influence on coeeficient value obtained (original sample) of 0,463; the T-statistic value of 8,414; and p-value of 0.00. There are the ease of transaction, effectiveness, flexibility, and the ease of mobile banking usage adoption contributing to 21.5 percent toward the students' consumptive behavior which tend to have high intensity in online shopping and are interested to promos offered by the seller even though the products are not needed.