Red. The fist of the slogan "Labor is the most glorious" is generally painted red, representing the revolutionary spirit and the spirit of struggle. At the beginning of the establishment of the China * * Production Party, red became a symbol of the working class, revolutionary struggle and socialist system in China. In the slogan "Labor is the most glorious", the red fist represents the victory and honor achieved by the working class through United struggle and hard struggle. The slogan "the most glorious work" advocates the dignity of labor, the self-esteem of workers and the honor created by labor. Whether the fist is red or colored, it is a respect and appreciation for the working class and workers.