Wan Nianhong rice paper is dyed red on the basis of white rice paper. The red dye is bright and pure, with only one side red, which is more shiny when people scrape materials one by one with their hands, while Millennium red paper is uneven in color and light in color.

Couplets, also known as antithesis, door-to-door, spring stickers, Spring Festival couplets, couplets and so on. It is a antithesis written on paper, cloth or carved on bamboo, wood and columns.