Origin of Mid-Autumn Festival: Mid-Autumn Festival evolved slowly from the ancient festival of the moon. The ancient calendar divided each season into three months, namely, Meng Yue, Mid Moon and Ji Yue. August of the lunar calendar is the second month of autumn, so it is called "Mid-Autumn", while August 15th of the lunar calendar is just half of autumn, so it is called "Mid-Autumn Festival". At first, this day was designated as a festival for the ancient emperors to sacrifice the moon, and it gradually evolved into the Mid-Autumn Festival.

Origin of Mid-Autumn Festival II: Mid-Autumn Festival evolved from the story of the Goddess Chang'e flying to the moon. This story is the most widely circulated. Hou Yi shot out nine suns, and then God gave him a medicine to become immortal. He was reluctant to leave his wife Chang 'e, so he gave it to Chang 'e for safekeeping. On August 15th, Chang 'e took the fairy medicine and went to the moon. Hou Yi misses Chang 'e, so every year on this day, Chang 'e's favorite food will be placed in the garden, hoping that she can come back for reunion. After that, every year, from generation to generation, it evolved into a festival. Because this day is the Mid-Autumn Festival, it is called the Mid-Autumn Festival.