Abstract: In recent years, software testing is getting more and more attention from Industry, Education and Academic.Combining the author's experience in teaching and research in this area, this paper presented three level thoughts on the course, professional and science of software testing respectively, discussing on what constitutes the knowledge body as a software testing course,what is vocational skills and literacy of software testing as a professional,and what is the major scientific problems as a science.

Key words: Software testing, Course, Vocation, Science