小学生的学习困难，既有其主观上的因素，也有诸如教材编排、教学方法、教学手段等方面的外部原因。随着现代科技成果在教育领域的广泛运用，教材编排的方式和教学方法越来越成为影响学生学习的重要外部因素。我们现行的教材一般是按照某一学科的内容从简到繁、由易向难编排的 Primary school students' learning difficulties include not only their subjective factors but also external reasons such as teaching material arrangement, teaching methods and teaching methods. With the wide application of modern scientific and technological achievements in the field of education, the ways and teaching methods of textbook arrangement become more and more important external factors that affect students' learning. Our current teaching materials are generally based on the content of a subject from simple to complex, easy to difficult to arrange