The festival custom is a movable day which created by the common ancestor of nation to hands down from generation to generation and turn manners in the society collectively into costoms, it has became a conventional emotion sign that include special subject.

Lots of excellent works,whose themes are seasonal customs,not only describe the magnificent scenery of nature in different seasons,express the Socio-cultural concept of the author and the attention to Self-life value, but also transmit the characteristics and the significance of festival customs in national culture by the carrier"song poetry".

Lao she s wording vividly reproduced the custom of Manzu,Hutong,tea house, courtyard house in old Beijing as well as the old days festivals and traditions.