Students with ability can do more homework, do some difficult homework, and students with weak foundation can do some basic problems.

1, layered according to content difficulty. For example, when assigning math homework, it can be designed according to basic exercises, expanding exercises and expanding training.

2. Stratification according to the contents of different disciplines. For example, it is stratified in cultivating morality, intelligence, physique and beauty.

3. Hierarchical design is carried out according to different job types. When assigning homework, Chinese can be stratified according to reading and writing knowledge, reading accumulation, exercises and comprehensive practical activities.