学校的教学对象中，中、差生总是存在的，旧的教学观念致使学校、教师只培养优生升学，放弃中差生，这是违背教育目的的做法。在实施素质教育的新世纪，各科教学要面向全体学生，使每个学生的才能得以充分发展。我校差生面占2 ／ 3，如何全面提高教学质量面对差生多的实情， Among the teaching objects of the school, middle and poor students are always there, and the old teaching concept has caused schools and teachers to only train eugenics students and abandon middle school students. This is contrary to the practice of education. In the implementation of quality education in the new century, all subjects should be taught to all students so that each student’s abilities can be fully developed. The poor student of our school accounts for 2 / 3, how to improve teaching quality in an all-round way