Abstract: Practical teaching is a key link in the process of undergraduate talent cultivation,Is the important way of training students' practice ability and innovation spirit.Practical teaching mainly includes experiment teaching,practice teaching and graduation thesis,and other forms.According to graduates for ever exist for agricultural entomology knowledge practical application ability is not strong, beginning ability is poorer,We try to reform practical teaching content,method,means,etc Of the agricultural entomology.Many yearsˊteaching practice shows that the reform has made remarkable effects.