December 4th every year is National Constitution Day, and the country carries out constitutional publicity and education activities in various forms. The Constitution is the fundamental law of the People's Republic of China and has the highest legal validity. It stipulates the nature of the country, the basic system of the country, the basic rights and obligations of citizens, the organization and powers of state organs and other fundamental issues in national life. On October 17, 2020, the 22nd Meeting of the Standing Committee of the 13th National People's Congress revised the "Election Law", "Flag Law" and "National Emblem Law".