Rice alcoholic beverages, cheongju and beopju, which are recorded in "Koryodokyung", "Koryosageolyo", and "Koryosa", were used in national and royal ceremonies, and yakju was used in the Palgwanhoi ritual. In the late 11thcentury, King Munjong imported hwaju and haenginjabeopju from the royal family of the Song Dynasty. Alcoholic beverages in the early 12thcentury included the medical use for kings, such as gyehyangeoju, which the Emperor of the Song Dynasty sent to King Yejong, baekjainju, which was sent to King Myeongjong for his health, and yangju, which is goat milk fermented alcohol from the nomads in the northern regions. In the early13th century there was also dongrak, which is a horse-milk fermented alcohol, grape wine sent from Yuan to King Chungryeol in the late 13th century, and sangjonju, a type of special cheongju sent from Yuan in the early 14th century. Baekju from Yuan was recorded in oral traditions, which suggests that soju, which is distilled cheongju, was consumed in the late 14th century. Gold and silver wares for alcoholic beverages had important political, social, and economic meanings as national gifts to other countries and internally as the king's royal gift to his subjects. In the late 14th century, soju was prohibited, and the use of gold and silver wares for alcoholic beverages was banned at the same time. This study examined the historical characteristics of the use of traditional rice alcoholic beverages, the emotional preference for foreign alcoholic beverages, and the gold and silver wares used for alcoholic beverages Koryo Dynasty.

The present study examined the import routes of distilled rice liquor soju and how soju developed among the royal family and the upper classes using celadon inscribed with poetry related to alcohol beverages in the 12th century, Maebyeong style vases inscribed with government office name in charge of alcohol beverages of the royal family in the 14th century during the Koryo Dynasty. Distilled rice liquor was imported from the southwestern region to Koryo by Arabian merchants through direct and indirect routes in the Yuen Dynasty during the age of King Chungsuk and King Chunghye in around the 14th century. As soju was added to existing takju and cheongju, the three major types of alcohol beverages were completed during the late Koryo Dynasty. Celadon pitcher inscribed with poetry shows the delicate sentimentalism, aristocratic prosperity, and poetic sentiment. In particular, it is valuable in that it reflects Koryo people's mind, view of nature, and attitude toward alcohol beverages, and their inner world was also described with celadon patterns. Maebyeong style vases Yangonseo, Saonseo, Deokcheongo, Euiseonggo and Saseonseo, which are real celadon antiques inscribed with government office name, were used for rice liquor preservation. In particular, Maebyeong style vase 〈Euljimyeong Saonseo, 1345〉 has the exact year of creation, so it is a historically important celadon in research not only on alcohol food culture but also on art history. This shows that alcohol beverages were important foods that there were controlled and stored in celadon by the government offices for the royal family's related alcohol ceremonies. Through celadon inscribed with poetry and government office name displaying Koryo people's unique imagination and cultural consciousness, we can read their mind and lifestyle based on historical and social alcohol food culture in the Koryo Dynasty.

The climate-food relationship and effect of climate on staple grain crops have been studied widely. However, the relationship between climate and liquor and its characteristics are not explored sufficiently. This study presented the climate and its association with liquor over various climatic regions of mid-latitudes. There is huge diversity in vegetation and cultures due to various climates of the mid-latitudes and the manufacturing of liquor depends on the regional raw materials and methods.