Why do Han people write on red paper for Chinese New Year?

Traditionally, the use of red paper has the significance of exorcism and auspicious celebration. The concepts of red exorcism and red auspiciousness have existed since primitive society. Red is the color of the sun, blood and fire. With the changes of the times, this idea of respecting red has not changed. Red couplets, red wedding dresses, red headscarves, red candles, and red lists of new families in old weddings of Han people are posted in the New Year, and so on. Whenever and wherever, people should use red to add joy. Han people regard red as a symbol of happiness, success, loyalty and justice, especially red has the function of exorcising evil spirits and protecting the body.