What day is the day to put up spring scrolls

New Year's Eve. Spring Festival couplets are one of the types of red celebratory elements "Nianhong" that are put up on New Year's Eve. It is a unique form of literature in China to depict beautiful images and express good wishes with neat and concise words, which is an important custom of New Year's Eve. In Chinese tradition, New Year's Eve is an important moment for the change of the old and the new and the resignation of the old and the welcome of the new, so the Spring Festival Couplets are pasted on the day of New Year's Eve, which is a day when families will tear off the old couplets and replace them with the new ones;

There is strict differentiation between the first and the last words of the first line of the Spring Festival Couplets. distinction, generally speaking, the last character of the upper couplet is in three or four tones (仄声), while the last character of the lower couplet is in one or two tones (平声).