Qing ming is one of the eight importantly tradional folk festivals. It is usually in the April 5, but the period is long from ten days before to eight days after or from ten days before to ten days after, 20 days in total. The origin of qingming festival is reported to begain with the memorial service of ancient kings and princes. And then the folk followed, the festival became a fixed custom of chinese nation.
It is a spring festival, and it is an occasion for the whole family to leave the home and to sweep the graves of their forebears. People enjoy hope of spring on this day. Qing ming festival is a time when the sun shines brightly, the trees and grass become green and natrue is again lively, so people have followed the custom of spring outings.