From 20 17: Chinese, history, morality and rule of law are used in grades one and seven.

From 20 19 onwards: the textbooks compiled by the three subjects cover all grades in the compulsory education stage, and ordinary high schools begin to use the textbooks compiled by the three subjects.

Beginning in 2022: the textbooks of three subjects in ordinary high schools cover all grades, and Beijing began to implement the textbooks of three subjects in secondary vocational schools.