Excellent online courses break through the limitation of teaching time and space, stimulate learners' self-study autonomy and enthusiasm, promote the sharing of high-quality teaching resources, and bring opportunities for the development of higher educa- tion. Taking the excellent online course C Language Program Design recognized by Hunan Province in 2019 as an example, this pa- per discusses on the orientation of learning objectives, the establishment of course teams, the innovation of teaching content, the inte- gration of ideological and political education, the development of curriculum resources, the implementation of online teaching, scien- tific evaluation of scores, promotion of curriculum application, etc, in order to promote the construction of excellent online courses, improve the teaching effect and improve the quality of personnel training.