1. Preparation: Put the plaster doll on a dry and flat workbench to ensure that the surface is free of dust and impurities.

2. Background painting: First, choose a light-colored primer to paint on the surface of the plaster doll. You can use acrylic pigment or a special primer for the plaster doll. Spread it evenly on the whole doll surface with a wide brush or brush, so that the background color can fully penetrate into the texture of the plaster doll.

3. Coloring: When the background color is dry, you can start to paint more colors. Use a small brush and apply it to different parts of the plaster doll according to your favorite color scheme. It can be finely applied according to the characteristics and details of the doll, such as eyes, cheeks and lips.

4, shadows and highlights: In order to increase the three-dimensional sense of the plaster doll, you can use the skills of shadows and highlights. Choose a darker tone and apply it to the parts that need to strengthen the shadow, such as eye sockets and cheeks. In prominent parts, such as the bridge of the nose, forehead, etc. , you can apply lighter colors to create a highlight effect.

5. Fine-tuning and correction: After completing the overall painting, carefully check all parts of the plaster doll. If necessary, it can be fine-tuned and corrected to achieve satisfactory results. Such as correcting the clarity of lines, increasing or decreasing the brightness of colors, etc.

6. Polishing: Finally, after painting and drying, it can be polished with transparent matt or bright paint to protect the coating from damage and increase the luster of the plaster doll.