随着科学技术的发展,PLC在工业领域中发挥着越来越重要的作用,所以,各种企业对PLC人才的质量要求也是愈来愈高。职业学校肩负着为企业培养各种人才的使命,所以PLC的教学面临着更高的要求和挑战。本文以职业学校为背景,根据学生的心理特点和PLC的教学实践,研究启发式教学在教学中如何提高学生的学习兴趣,从而达到社会需求。 With the development of science and technology, PLC plays an increasingly important role in the industrial field. Therefore, the quality requirements of PLC talents by various enterprises are also getting higher and higher. Vocational schools shoulder the mission of cultivating talents for enterprises, so PLC teaching faces higher requirements and challenges. In this paper, the background of vocational schools, according to the psychological characteristics of students and PLC teaching practice, heuristic teaching in teaching how to improve students’ interest in learning, so as to meet the needs of society.