In order to improve students’ Programming ability, improve the quality of teaching, and enable students to strengthen and consolidate the understanding of teaching content, a teaching System based on Online Judge based Java Programming Training System (ojb-jpts) was designed, and the platform was used to carry out extended Training and stimulate students’ potential. Students release and complete a certain number of programming questions through the OJ system, and timely and effectively get feedback information, teachers can complete student performance statistics more efficiently. In addition, the OJ system is basically intelligent and the student score judgment is more fair and just. Compared with the traditional course platform system, the teaching platform has achieved more significant teaching results in the process of practice.