Under policy of the ministry of education of the transformation of higher schools into skilled occupation education, this paper focus on the public basic course-"medical physics" in the ordinary local medicine colleges. The actual situations are first presented in this paper, then, one can find there are two different interpretations about the transformation policy of higher school in the local medicine colleges. Based on the different understandings of transformation policy will give two different conclusions, the paper respectively analyzes the learning necessity of the "medical physics" course. Particularly, there is always a misunderstanding of learning necessity and existence necessity in all the local medical colleges. Finally, by the analysis and description of the situation of "medical physics" course under the transformation policy, we wish to appeal the university staff should pay more attention to the scientific of reformation of the public basic course.