International Labor Day, also known as "May Day" and "International Workers' day or may day", is a national festival in more than 80 countries in the world. It's on May 1st every year. It is a festival shared by working people all over the world.

In July 1889, Engels led the second International Congress in Paris. The meeting adopted a resolution stipulating that the international workers should hold a march on May 1, 1890, and decided to make May 1 as international labor day. The Government Affairs Council of the Central People's government made a decision in December 1949 to designate May 1 as labor day. After 1989, the State Council basically commended the national model workers and advanced workers every five years, about 3000 people each time.

On November 21, 2019, the notice of the general office of the State Council on the arrangement of some holidays in 2020 "was issued, and the holidays from May 1 to 5, 2020, with a total of 5 days .

The specific arrangement of holidays and rest days on Labor Day in 2020, 5 days from May 1 to 5. Go to work on April 26 (Sunday) and May 9 (Saturday).