Gouache pigment has the characteristics of strong color, suitable for covering and so on, which is convenient for children to master; At the same time, gouache pigment is bright in color, which is more likely to arouse children's great interest; It can also stimulate the fun of children's creation and expression. Tools: gouache; Toner cartridge; Brush; Pen washing bucket.

1, flat painting method: draw the outline of the object with a single color, and then flat paint the adjusted color within the outline; Composition method: form a visual image with randomly sketched cross lines or geometric figures; Thin painting: Use less color and more water when mixing colors, and the shading of paper is revealed on the drawing paper, so the colors naturally blend well.

2, thick coating method: thick color, simple feeling like oil painting, strong coverage; Dot method: form an object image with dense small color points, just like a mosaic in architectural decoration; Light and shade method: emphasize the contrast between light and shade to enhance its artistic effect; Cold and warm method: the feeling of cold and warm is divided by color, and the color is simple and concise, giving people emotional rendering.

3. Background color method: paint on background color paper, and ready-made color paper includes printing paper and cardboard. ; Comprehensive method: according to the habit, increase the expressive force of painting.