Several factors that can affect a person's financial behavior are internal and external factors. The purpose of this study is to determine and analyze the effect of learning financial accounting, financial literacy, and self-control simultaneously and partially on the financial behavior of students of the Faculty of Economics, Prof. University. Hazairin SH. The type of research taken by the researcher is quantitative research using the ex-post facto method. The population in this study were students of the Faculty of Economics, University of Prof. Hazairin SH, totaling 644 students. Researchers took samples using purposive sampling technique with a total of 118 students. The data collection techniques used in this research are questionnaires and tests. While the data analysis technique used by the researcher used multiple linear regression analysis with the help of the SPSS version 21.0 application program. After conducting the research, the researchers found that the results of data analysis proved that: (1) learning financial accounting, financial literacy, and self-control simultaneously had a significant effect on financial behavior, (2) there was a significant effect of learning financial accounting on financial behavior, (3 ) financial literacy has a significant effect on financial behavior, (4) self-control has a significant effect on financial behavior