Liuyi Primary School in Yanfeng District is located on the bank of Xiangjiang River, with complete teaching facilities and strong teachers. The school adheres to the teaching philosophy that moral education pays attention to self-discipline, intellectual education pays attention to autonomy, physical education pays attention to self-improvement, aesthetic education pays attention to self-support, and labor education pays attention to self-ability, focusing on the training goal of qualification and specialty, constantly exploring and pursuing, seeking development through innovation, and creating famous brands in development. In recent years, in order to create a brand of quality education, the school has made great efforts to explore the practice of subject quality education, hold subject festivals and implement the "three-in-one" education network. The subject of exploring the research and practice of subject quality education with "three calculations combined" teaching as the mechanism won the third prize of Hunan Province's "Ninth Five-Year Plan" for outstanding achievements in educational science research. Two teachers were rated as national advanced individuals, papers and lesson plans, and more than 211 times were awarded by the state, province,