In brief, it can be concluded that there is a relationship between students in Lampang Rajabhat University who work part time job and their time management. Therefore, possible solutions to this problem in working part time job while studying are they should set appropriate schedule to have enough time to take a rest or private time. Furthermore, students who work part time job should spare time to their parents and friends. Since they take care relationship of them is the most important. For prevention cause the space of them and it can make bad relationship during students and their family. Finally, students who work part time job should be aware that studying is the most important thing while they are learning in university. Academic performance will tend to job application in the future too. The stated solutions could surely help students who work part time job manage and know the value of time for work and study.