Kun diagram is the eighth in the congenital eight diagrams and the second in the acquired eight diagrams. The symbols of Kun diagram are composed of three dotted lines (☷), and Kun diagram is the only pure Yin diagram in the eight diagrams.
In the geographical position, Kun diagram represents the southwest; in the natural environment, Kun diagram represents the earth, which has the characteristics of carrying and nurturing all things; in the five elements, Kun diagram belongs to the soil, Yin soil; Kun diagram represents the old mother, ordinary people, farmers, etc.; Kun diagram represents the human body position of the abdomen, stomach and skin; Kun diagram represents the animals of cattle, mare; because Kun diagram represents In the southwest, the time represented by Kun diagram is the year of the monkey and the year of the sheep in the lunar calendar. the five elements of Kun diagram belong to the soil, Therefore, Kun diagram also represents the month and the day of the earth branches. The survival of all things needs certain environment and carriers, such as the earth we live on now, which highlights the special effects of Kun diagram on behalf of the earth, with the characteristics of breeding and nourishing. Kun diagram also represents many characteristics, For example, the boss and the staff are numerous. The staff is the Kun diagram the boss is the Qian diagram. This is what the book of changes says 'The yin and the yang make up the Tao'.