The theory of quality education refers to improving the quality of educators in this respect. Double reduction and job optimization refers to reducing unnecessary workload and making job optimization more efficient. The relationship between them is mutually reinforcing. Double reduction and homework optimization are used to improve quality education, which can improve and reduce workload and optimize homework.

Quality education refers to an educational model aimed at improving the quality of the educated in all aspects. It attaches importance to people's ideological and moral quality, ability training, personality development, physical health and mental health education.