Abstract. The key of Open University construction is the teachers’ team building, and the teachers’ professional development is the most important part. Open University teachers’ professional development has not fit for our teaching requirements any more. The rapid development of information society put forward some severe challenges to Open University teachers’ professional development. Under the view of philosophy of technology, fit for the request of the new situation, It must have some progress on Open University teachers’ professional development: first, to improve the professional academic level; second, to improve the teaching skills; third, to improve the information technology. Those three parts constitute connotation of professional distance education teachers. In the deep analysis the difference between Open University teachers’ professional development and the reality, base on this reason, they offered a good plan, which we hopefully can enhance, the Open University teachers’ professional level, and also can improve the distance education quality.