This study aims to determine the effect of the marketing mix of product on buying interest, price, place, promotion, people on buying interest, process, physical evidence on buying interest and influence of the marketing mix on interest in buying fashion at Shopee for Economic Education students at Sebelas Maret University. The research method used in this research is quantitative research with data collection techniques using questionnaires. The population in this study were students of Economics Education FKIP UNS class 2017, 2018, 2019 as many as 241 students. The sampling technique used was proportionate stratified random sampling with a sample size of 151 students. Testing the validity of the instrument using Pearson's alpha. Data were analyzed descriptively and tested using classical assumptions and then analyzed using multiple linear regression and coefficient of determination. variable product (X1) of this study provides effective results, namely the value of tcount 4.212 > ttable 1.977.variable price (X2) in this study resulted in an ineffective value, namely tcount 0.799 < ttable> ttable 1.977. (5) The variable people (X5) in this study gave ineffective results, namely tcount 1.629 < ttable> ttable 1.977. (7) The physical evident (X6) in this study gave effective results, namely tcount 2,030 > ttable 1,977. (8) Marketing mix 7P (product, price, place, promotion, people, process, and physical evident) has a significant effect on buying interest proven from the value of the regression equation Y = - 13,196 + 0,518X1+ 0,076X2 + 0,086X3 + 0,373X4 + 0,200X5 + 0,322X6 + 0,284 X7. The value obtained is the result of Fcount 36,017 > Ftable 2,07 .