Online Qinglan Xueyi pays the deposit first and then the tuition to learn original painting, which is not reliable. It has a registered trademark, has been certified by the industrial and commercial department, and has a legal business license, but the process contains a lot of content that induces consumption, which is generally unreliable. The original painting refers to the beginning and end of a scene in animation creation, with a line drawing. pattern drawn on paper. The gradation lines of shadows and color separations are also drawn in this step. Therefore, some people translate it as "key-animator" or "illustrator" (less commonly used).