Digital oil painting is very popular in the market in recent years. Many people have painted it, but the painting technology is not very good. When painting digital oil painting, it's like a girl painting nail polish twice. The effect of brushing twice is definitely much better than brushing once. Moreover, light color is not good for covering black numbers. You can apply it several times, but you should wait until the pigment dries. As thick as possible, the paint will have more oil painting effect, but the direction of the pen must be the same when painting. Painting is a meticulous and cultivated job. When painting, please pay attention to color over color, and cover the black line of the color block to ensure the authenticity of the oil painting. Of course, different people have different aesthetic concepts. You can also add some details such as points and lines after painting according to your own preferences, which will make the picture more vivid and full of vitality. Lian Cai reminded that acrylic pigments are easy to dry, so they must be covered when not in use to avoid paint drying out. Propylene pigment is water soluble, even if the pigment is dry, it can be dissolved in water. After painting, dry the paint and then apply brightener. The role of brightener can make the color more vivid and highlight the brush strokes of oil painting. In addition, a protective film is formed on the screen to avoid the trouble of long-term cleaning. Brightener only needs a thin layer, and finally it is slowly waiting for it to dry.