The purpose of this study was to determine the effect of work discipline and work environment both partially and simultaneously on employee performance at J&T Express Drop Center 10A Depok with a sample of 77 employees. The method used is a quantitative method. Data analysis used in this study is the classical assumption test, simple linear regression analysis, multiple linear regression analysis, correlation coefficient analysis, determination coefficient analysis, t test and F test. The results of this study are Physical Work Environment and Work Discipline have a significant effect on employee performance on the regression Y = 3.176 + 0.934 X1, the correlation value is 0.370 meaning that the two variables have a strong level of relationship. work environment has a significant effect on employee performance with the regression equation Y = 3.414 + 0.946 X2, the correlation value is 0.611 meaning that the two variables have a very strong level of relationship. Work environment and Work Discipline simultaneously have a significant effect on employee performance with the regression equation Y = 1.537 + 0.370 X1 + 0.611 X2. The coefficient of determination value is 89.5%, while the remaining 10.5% is caused by other variables not examined in this study. The results of testing the first hypothesis obtained a calculated t value> t table or (25.281> 1.992). Based on the results of testing the second hypothesis, the calculated t value> t table or (6.821> 1.998). Based on the results of testing the third hypothesis, the calculated F value> F table or (837.665> 3.120) was obtained. This shows that simultaneously the variables of work environment and work discipline have a significant influence on employee performance.