This paper firstly described knowledge structure and function of applied optics course from the point of training needs for professionals. Secondly, It proposed the idea that course resource is the carrier of knowledge and ability and also the component of teaching process. Besides, students are the acceptors of course resources. As a result, it is necessary to grasp the key period of freshmen because of their openness, inclusiveness and plasticity. What's more, It analyzed the construction of course resources from four aspects to show that it has positive influence on cultivating learning skills, practical skills, professional abilities and innovative consciousness of students, which can result in higher quality of teaching.