Panwang Festival is a celebrating traditional festival for Yao people to memorize their ancestors. Before the establishment of new China, Yao people living in different districts celebrated Panwang Festival at different times. It is usually held during the slack season of farming after the harvest time in autumn to next Spring Festival. This festival is celebrated both during scheduled and unscheduled times. The scheduled celebration is annually held on Oct 16th of the Lunar calendar, and the unscheduled celebration is held on the selected lucky day in every other three or five or ten or even twelve years. The longer the interval is, the more celebrating the festival would have. The duration of the Panwang Festival varies. Usually small families celebrate for one day and two nights, and in big families may celebrate for three days and three nights, even up to seven days and seven nights.