Reshaping curriculum teaching is an urgent issue in the construction of first-class curriculum. Combining with the spirit of Implementation Opinions on the Construction of First-class Undergraduate Courses of the Ministry of Education, the characteristics of heat transfer course are analyzed, the shortcomings of the current practical teaching are summarized, the reform idea of experiment teaching is put forward under the new situation, and in view of the experimental teaching reform case of convective heat transfer, the teaching idea analysis and effectiveness analysis based on two characteristics and one degree are conducted. Breaking through the time-space constraints of laboratory classroom teaching, reforming experimental teaching without sticking to one pattern, strengthening independent, experiential, and comprehensive expand training, and integrating knowledge fusion, skill training, thinking enlightenment and thought guidance, are effective ways to implement the concept of three-all education and moral education.