Regular animation. Advertisers of two-dimensional animation of health science popularization should combine the plot setting, draw the first draft by the painter, and then screen by the production team, and set the plot as a sketch in comic form to form a complete story. The original painting is an important part of the picture, mainly including internal movement and external movement, and the density scale should be indicated. The picture in the middle is a connecting action, which shows important pictures in all aspects of the role, but the task action itself is not coherent. This requires the health science department to draw a picture in the middle, so that the movements can reflect the gradual process.