Abstract: According to teaching experience in the past, overweighed homework assignment of a student comes mainly from school. But by relevant investigation in the near past, the author finds that some unreasonable education ideas of parents have already become main causes of overweighed homework assignments of student nowadays. On the basis of a thorough anatomy on this phenomenon, the author points out that school needs to attach more importance to organic integration of school education and home education, while giving burden-alleviation on students.