Ancient Chinese coins have an outer circle and an inner square. The Coleman platform platform integrates elements of square and circular culture, with square and circle, square being rigid, and circle being soft; Square is the principle, while circle is the machine variable. If there is a circle without a square, there will be no standing; if there is a square without a circle, there will be stagnant mud; if there is a square without a circle, there will be no direction but disadvantage.