(1) Popularization means that the curriculum of compulsory education should be geared to every student, and its standards can be achieved by the vast majority of students, so as to ensure that every student can meet the basic quality requirements of the country.
(2) Basic means that the content and requirements of the course should be basic, reflecting the basic requirements of the state for the quality of every citizen.
(3) Development means that the course should focus on students' lifelong learning, adapt to the different needs of students' development, and provide students with basic knowledge, basic skills, good emotions, attitudes and values and various necessary abilities necessary for independent, comprehensive and sustainable development.