With the rapid development of optoelectronic technology, it is more and more difficult for the students to grasp the related knowledge, and to have innovative thinking and innovative ability. The reason is that the students can’t understand that knowledge easily; In addition, the students find it is hard to find innovative projects to enhance themselves. This paper summarizes a teaching approach to impart innovative knowledge. The following is: help students to establish the following thinking, "according to the difficulties encountered in photovoltaic technology, identify and find the key problem, → converted into the standard TRIZ problem →find their own solutions. The results show that this approach plays an important role in cultivating students' creative thinking.