[理论依据]人类从远古时代就用图画来交流信息,人们正是从先人们画的岩石壁画上了解他们那时的生活状况的,从这个意义上说,图画的天然功能首先就是表达和沟通。心理学博士严文华认为:图画的象征性使其成为距离潜意识更近的一种工具,实质就是人们表达内心的一种工具,其所传递的 [Theoretical Basis] Human beings have used pictures to exchange information from ancient times. It is precisely from the rock murals drawn by foreigners that people learned about their life at that time. In this sense, the natural function of the picture is firstly to express and communication. Yan Wenhua, Ph.D. in Psychology, believes that the symbolic nature of the picture makes it a tool closer to the subconscious, in essence a tool for people to express their innermost feelings