Labor is the source of wealth and happiness. The iron man spirit includes the patriotic spirit of sharing worries for the country and winning glory for the nation. The connotation of the spirit of Hongqi Canal is self-reliance, hard struggle, unity and cooperation, and selfless dedication. The basic connotation of manned spaceflight spirit is the spirit of being able to endure hardship, fight, tackle key problems and contribute, and the great epidemic prevention spirit formed in the fight against COVID-19. All these spirits show that the beautiful dreams in the world are realized through labor; All the glories of life are created through labor, which proves that labor is the source of wealth and happiness.