According to the classification of national disciplines, "law" has six first-class disciplines, namely law, political science, sociology, ethnology, Marxist theory and public security science; There is only one two disciplines "law" in the first-level discipline of law; The first-level disciplines of political science include political science and administration, international politics and diplomacy, three two disciplines. The first-level disciplines of sociology include sociology and social work, two two disciplines. There is only one two disciplines "Ethnology" in the first-level discipline of Ethnology; The first-level disciplines of Marxist theory include "Scientific Socialism" and "The History of the Production Party in China". The first-level discipline of public security science includes three two disciplines: public security science, investigation science and frontier management science.
The "political science" you mentioned is the first-level discipline in law, and "law" is two disciplines in the first-level discipline "law" in law. They are two different majors. When we say major, we generally mean two disciplines.