1, first summarize the structure of the mouth with a simple block. When drawing a profile, pay attention to the structure of lips at different angles according to the perspective law;

2. After understanding the structure of lips, color the lips. In the lower half of the upper lip and the upper half of the lower lip, the solid color on the picture is enough;

3. Take the painting of national red lips as an example. Generally, the color saturation of this kind of lips will be higher. In order to show its sexiness, it should be rounded as much as possible? A little;

4. Draw the lip seam with lines, draw the shape of lips with selected areas, and erase the drooping edges with soft edges. The edges of the two colors will be faded and look more realistic;

5. In order to express its realism, it is necessary to draw some surface textures on the mouth to make the mouth of the anime woman more shiny.