Abstract: There are some problems in the teaching process of safety detection technology, such as unreasonable class hour distribution, single teaching method, teaching content to be optimized, unreasonable assessment and evaluation system and so on. Through reasonable arrangement of class hours, the cross integration of various teaching methods, strengthening the combing of basic knowledge and engineering case teaching, optimizing the course assessment system and other measures, the teaching effect of the course can be effectively improved and meet the relevant requirements of professional certification. Besides, this paper puts forward the idea of teaching reform on this basis in order to further improve the teaching effect of the course.