According to the opinions on aeeelerating the construetion and development of new engineering andthe implementation of exeellent engineering edueation and training plan 2.0 and the implementation opinions onthe construetion of first-elass undergraduate courses issued by the ministry of education, the teaching mode andmechanism of the undergraduate course " oplical design" were reformed and explored based on engineeringeducation professional certification.The three slage inegrated teaching model of " theory , case, and projeet" hasbeen established, and multiple collaborative teaching mechanisms such as industry-earning collaboration,seienee-education eollaboration, and all-media collaboration have been formed, and some results have beenachieved.