By the Song Dynasty, people began to write in peachwood board couplet, a town peachwood evil without losing the meaning of a two express their wishes, three decorative gateway to beautiful.

• 到了宋代，人们便开始在桃木板上写对联，一则不失桃木镇邪的意义，二则表达自己美好心愿，三则装饰门户，以求美观。