Lantern Festival, also known as Shangyuan Festival, Xiaoyuanyuan Festival, Yuanxi Festival or Lantern Festival, is the first important festival after the Spring Festival and one of the traditional festivals in China and overseas Chinese. The first month is the first month of the lunar calendar. The ancients called the night "night", so the fifteenth day of the first full moon in a year was called the Lantern Festival.

Eating "glutinous rice balls" is an important custom of the Lantern Festival. Tangyuan, also known as "Tangtuan" and "Yuanxiao", was eaten in the Song Dynasty. At that time, the glutinous rice balls were called "floating Zi Yuan", also known as "glutinous rice balls", "lactose Zi Yuan", "soup bowls" and "glutinous rice balls", which were euphemistically called "Yuanbao" by businessmen. At the beginning of Song, Yuan and Yuan Dynasties, sweet dumplings have become a response to the Lantern Festival.

Today it's called Yuanxiao in the north and Tangyuan in the south. According to the theory of stuffing, Yuanxiao can be divided into two types: stuffing and stuffing, salty, sweet, meat and vegetarian. According to the production methods, there are many kinds, such as hand rubbing, Yuanxiao mechanism, bamboo plaque roll and so on. According to different milling, there are glutinous rice flour and sorghum rice flour.