At that time, the Korean Peninsula was a subordinate country of China, and everything followed the ancient culture and customs of China, so South Korea also had the Mid-Autumn Festival.

Korean Mid-Autumn Festival custom: In the early morning of autumn, every household in Korea will set up new cereal, fruit wine, muffins, taro soup and various fruits to worship their ancestors; In addition to worshipping ancestors, there is also the custom of sweeping graves in autumn.

Extended information:

South Korea also has the Mid-Autumn Festival, the time is the same as that of China, and the Mid-Autumn Festival in South Korea is also counted according to the lunar calendar, which falls on August 15th every year. August 15th of the Korean lunar calendar is called "Autumn Evening", which is the Mid-Autumn Festival in China. Autumn evening can be said to be the most important traditional festival for Koreans in a year. It is a festival of harvest and gratitude, even more grand than the Spring Festival (Lunar New Year).

In the early morning of Mid-Autumn Festival, family members dressed in festive costumes hold simple commemorative activities at home or in front of their ancestors' tombs. Female members of the family will put all kinds of exquisite food carefully prepared in front of their ancestors' tombstones.

Koreans use wine, beef, fish and vegetables to cook all kinds of delicious food. Persimmons, dates, nuts and newly-produced apples and pears are offerings. All kinds of delicious food are first contributed to ancestors, and then shared by family members.