The NPC and its Standing Committee have the power to supervise other national organs of state power and ensure that the government runs in accordance with the will of the people.
The supervisory power of the NPC and its Standing Committee, as defined by the Constitution, includes supervising the enforcement of the Constitution and laws and overseeing the work of the State Council, the Supreme People's Court and the Supreme People's Procuratorate.
The "Two Sessions" is shorthand for the annual sessions of the National People's Congress (NPC) and the National Committee of the Chinese People's Political Consultative Conference (CPPCC).
The NPC, the top legislature, is the highest institution through which the people exercise their power. The CPPCC is the top political advisory body.