Abstract: In the process of examining results of the college students， learning program design course, only the examination paper score can not reflect the true effect of students’ learning. The nature and features of program design course determines its evaluation measure——let students practice to test the learning effect. For this reason, on the basis of understanding and learning many automatic judge systems, this paper develops online judge system independently which can basically satisfy students’ based on practice learning.

Key words: online judge, PHP, MySQL, GCC, interprocess communication