According to the needs of course teaching reform of road survey and design,discovery learning method is introduced into teaching practice in the paper. Firstly, the connotation of discovery learning method is expounded. Then, the feasibility of applying to discovery learning method in the course teaching of road survey and design is analyzed in detail. Combined with the specific teaching content, application of discovery learning in the teaching mode of road survey design is discussed. Finally,it is found that the course teaching method under discovery learning method is studied.It can be concluded that discovery learning method has a great promoting effect on developing students' active learning ability and innovative ability to solve problems.