"rock" means the powder of ore. The color system of rock color painting consists of five categories: pure natural mineral color, new rock mineral color, water-dried color, mica color and flash color, as well as granular and powdery colors, which are particularly colorful. Sticking gelatin on canvas drawing paper is a bit similar to colored sand painting played by children.

Of course, it can be combined with traditional Chinese painting, even oil painting and acrylic painting, but the best way to master it is to combine it with meticulous painting, only personally.