
It is in 15th day of Auguest (according to the lunar calendar). It is usually in or close to the full moon, when the moon appears in the most complete it during the autumn.
Middle Autumn Festival called Mid-Autumn day after the delicious snack at this time of year. Traditionally, this is the first time to meet friends and family dinner, look at the moon.
In ancient times, 10 sun scorched earth, until the field no longer plant crops, people died in this terrible drought. After the hero Hou yi scored nine suns, and save the land.

As a hero, Hou yi was obtained, and an immortal potions. Unfortunately, his later became a wicked ruler hated. Everyone, even his wife, despised him. She knew that if he immortal reagent, the country will destroy his never-ending evil. Therefore, save her compatriots, drinking potions.
She became very light, she flew into the air, and to live on the moon, she became the moon goddess, along with her jade rabbit.
In the Mid-Autumn festival, looking for the last night of change the surface of the moon.