Abstract: According to the reform practice of theory teaching of animal biochemistry of undergraduate students in the speclahty of animal husbandry and veterinary medicine in Henan University of Science and Technology, the theory teaching reform of animal biochemistry was systemically summarized from the construction of curriculum system, the construction of teaching staff, the teaching content and the teaching methods and other aspects. Aiming at the teaching effect in recent years, the feedback information in the practice process was analyzed. The theory teaching of animal biochemistry was regulated and modified in time, some effects were obtained. Some measures taken in the practice were summarized.