The painting usually depicts people looking directly at the viewer, but on the third class carriage everyone looks blank, no one is looking at each other and there is no There's no conversation on this train. Just by looking at these gestures, these clothes, these eyes, these faces, we can tell a lot of things on this train. The difference between the lower class and the upper class, the lower class with everyday concerns frozen on their faces, expressed in their eyes. A painting is invested with an air of sadness. The color and light create a somewhat lonely and empty atmosphere. Moreover, the dull atmosphere is accompanied by the indefinite look of an old man. It brings the indescribable