Abstract: Livestock Breeding is one of the main courses in animal science major.The traditional curriculum examination system cannot meet the needs of college curriculum construction and talent cultivation any more.The curriculum formative assessment system highly emphasizes the assessment of the undergraduates′learning process and gives full play to the functions of the assessment such as evaluation,supervision,feedback and guidance.The curriculum teaching and assessment are simultaneously improved in this system.Furthermore,the formative assessment system makes the undergraduates understand the concept,method and principle of the curriculum,consolidates the foundation of the undergraduates′theoretical course learning,and improves the quality of the talents training in an all-round way.