The efficacy of gwamegi and catfish were frozen herring or saury in winter It is dried in the shade while melting repeatedly, and is produced in the east coast areas such as Pohang, Gyeongsangbuk-do, and Guryongpo. Recently, as the production of herring has decreased, guamegi has begun to be made with saury instead of herring, which is considered a delicacy in winter. Gwamegi is known to increase the amount of omega-3 fatty acids and DHA, which are good for skin beauty and child growth, during the drying process. In addition, a lot of nucleic acids are produced, which is said to be effective in preventing skin aging, physical strength degradation, and brain function degradation. Guamegi can be eaten with seaweed such as seaweed and seaweed, garlic, red pepper, and cabbage to further enjoy its rich taste.