At first, Lantern Festival riddles were usually written on paper with a brush. This traditional form embodies the aesthetics of China's calligraphy art, and at the same time increases the cultural atmosphere of festival activities. With the development of the times, riddles can also be displayed by printing or using electronic screens. On the Lantern Festival, there is a folk custom of "watching solve riddles on the lanterns" in China. Folklore experts say that solve riddles on the lanterns has a long history in China. According to records, riddles on lanterns have been popular since the Southern Song Dynasty and are still popular today. Solve riddles on the lanterns, also known as playing riddles, appeared in the Song Dynasty. In the Southern Song Dynasty, at the Lantern Festival in Lin 'an, the capital, there were many people doing crossword puzzles and guessing puzzles. At the beginning, it was a busybody who wrote riddles on paper and posted them on colorful lanterns for people to guess. Because riddles are enlightening and interesting, they are welcomed by all walks of life in the process of communication. Zhao Zhi Heng, a Tianjin folklore expert, said that lantern riddles are a unique literary form with national style in China, which is lively and lively. The basis of lantern riddles is riddles, and the development of riddles has a process. As early as the Spring and Autumn Period and the Warring States Period, riddles appeared. At that time, some "politicians" often used metaphors of traditional folk stories and legends in their speeches in order to publicize their opinions and convince monarchs of various countries. At that time, this method was called "code word" or "thin word" by the Han Dynasty, and it gradually evolved into a mystery that mainly deciphered the form and meaning of words. At this time, the riddles are still relatively rough, both created by ordinary people and by literati. In the Three Kingdoms, the written form of riddle creation is very popular. The combination of lantern riddles in the Song Dynasty and enjoying the moon in the Lantern Festival enriched the entertainment activities of the Lantern Festival, and then lantern riddles appeared. Since then, riddles have become more interesting, because in the Song Dynasty, the rise of the playground "Washe" created material conditions and promoted the development of riddles. As a result, many writers at that time became masters of solving puzzles.