As can be seen from the layout of the ancient imperial court, in addition to the king sitting in the north and south, the throne is on the left. Wang's left hand side is full of literati positions, and his right hand side is military positions, which is also in line with the setting of ancient official positions and the habit of controlling martial arts with words. For example, there were left and right prime ministers in the Han Dynasty, and the position of left prime minister was more important than that of right prime minister. There were powerful generals in the Tang Dynasty, and the left was more important than the right.
This custom still exists in the countryside. For example, the seating arrangement of the square table, the seat facing the door is the theme, the left hand in the theme is the position of honor, and the position of honor is generally the most distinguished guest; The right hand side of the rank is the host, and the left hand side of the rank is the second most important guest. Another example is the couplet. The left side of the door is the upper part, the right side is the lower part, and the left side is the statue.