在艺术史当中,涂鸦艺术算是一种原生的想法与概念。涂鸦作为街头文化的重要代表,以前是不被人们正视的一种艺术表现形式,现在街头涂鸦的热潮逐渐风靡。这一现象的出现如同法国哲学家萨特所说:“存在便有存在的理由。”涂 Among the art history, graffiti art is a kind of native ideas and concepts. As an important representative of street culture, graffiti used to be an art form that people did not face squarely. Nowadays, graffiti on the streets is gaining popularity. This phenomenon appears as the French philosopher Sartre said: “There are existential reasons for existence.”