The HACCP principle determines key control points,establishes key point monitoring systems and corrective measures through hazard analysis,and controls quality and safety management from the source.Drawing on the principle of SWOT-HACCP and using relevant pedagogical theories,the paper analyzes the key control points of the classroom teaching process of environmental engineering majors,establishes a monitoring and error correction system,is conducive to guiding teachers to carry out teaching activities,and ensures that the quality of student training is controlled from the source.It has import...