The vertical and horizontal ratio of Taiji Flag (the national flag of North Korea) is 3: 2. The white background represents the land, with Taiji in the middle and four black hexagrams in the four corners. Tai Chi's circle represents the people, and fish-shaped instruments bend up and down in the circle, with red on the top and blue on the bottom, representing Yang and Yin respectively, symbolizing the universe.

Among the four hexagrams, the stem in the upper left corner represents the Sanyang hexagram representing heaven, spring, east and benevolence; Kun in the lower right corner indicates that the six Yin hexagrams represent earth, summer, west and righteousness; The ridge in the upper right corner has four yin and one yang representing water, autumn, south and ceremony; There are two yang and two yin in the lower left corner, representing fire, winter, north and wisdom respectively.

The overall pattern means that everything moves, balances and coordinates forever in an infinite range, symbolizing oriental thought, philosophy and mystery.

National emblem of the Republic of Korea

The national emblem 1970 was announced on July 3. In the center of the national emblem is a blooming hibiscus. The background color of hibiscus flowers is white, symbolizing peace and purity, and yellow symbolizes prosperity.

The center of the flower is replaced by a picture of red, blue, yin and yang, which is not only a traditional symbol of Korean culture, but also represents the harmony between state administration and natural laws. A white ribbon surrounds the hibiscus, and the name of the Republic of Korea is sewn on the ribbon.

Refer to the above? Baidu encyclopedia-Korea