The Lantern Festival is on the 15th of the first lunar month. This is the climax of Spring Festival and separately taken as a unique one. It is the symbol of being perfect and the reunion of a family , because the moon is fully round on the special day, dating back to the very early times. At the preliminary time, people ignited torches to drive out the plague. The Taoists offer a sacrifice to Heaven on this day, while Buddhists light lamps to pay homage to Buddha. Therefore, the Lantern Festival becomes very important.
To guess the riddles written on lanterns is a very specific tradition to Chinese people, which is one of the main folk customs. On every Lantern Day, colorful lanterns will be put up, in which lamps are lighted, while fireworks are shoot off. At the same time, some riddles will be found pasted on the lanterns, waiting for the visitors to guess.