In China, the conflict of university talents training program and market demands is increasingly attracting public attention. In order to satisfy the markets, the graduates should have abilities of combining theoretical knowledge with practice. Aiming at the issue of combining theoretical and practical knowledge, this paper takes construction management major students in HNCU as the case to expand research. Based on quantitative study, this paper extracts 3 themes and 10 subthemes through recorded sentences and paragraphs. With further definition of each theme, this paper constructs a theoretical mode consisting of 4 stages in exhibiting the combination processes of theoretical and practical knowledge. Internship provides the platform for students to touch authentic context. Students participating in internship must learn to face random matters which less likely to happen during their traditional theory study. So in these 4 stages, internship plays key role in pulling and pushing the combination of two kinds of knowledge.