Zhongyuan Festival, also known as Ghost Festival or Yu Lan Pen Festival, falls on the 15th day of the 7th lunar month and it is dominated by the customs like worshipping ancestors, floating river lanterns, and burning paper ingots. Zhongyuan Festival evolved from the ancient harvest and autumn sacrificing on the 15th day of the 7th lunar month, which was a day to celebrate harvest and reward the earth in the early autumn; the folk would offer sacrifices to ancestors with new rice and other crops, and report the harvest in autumn. As a traditional cultural festival in memory of ancestors, the Ghost Festival takes respecting ancestors and showing filial piety as the core.