置换是指某一位置上形与形或物与物的更改或变换，而同构则是找到事物内部构造相同的关系，使之保持信息的交换，也即“沟通”，从而达到融合的目的。穿过时空的长廊，透过五光十色置换同构的物象，不难发现，“置换同构”无论是在远古天人合一的图腾崇拜中或是民间美术物化的 Displacement refers to the change or transformation of shape and shape or thing and thing in a certain position, and isomorphism finds the same relationship in the interior of things so as to keep the exchange of information, that is, “communication” so as to achieve the purpose of integration . Through time and space of the promenade, through the replacement of isomorphic images with different colors, it is not difficult to find that the “replacement isomorphism” both in ancient totem worship of heaven and man or the art of folk art