1. Theme: First of all, you need to determine the theme of the quatrains, such as describing the natural landscape, expressing emotions, praising virtues and so on. Choose the picture composition and color matching according to the theme.
2. Feeling: quatrains often have strong emotional colors, such as sadness, joy and emotion. Through the use of different lines and colors, express the emotions conveyed by poetry.
3. Color: Color can express different emotions and atmosphere. Choose the right color according to the theme and feeling. For example, soft pink can show a warm and romantic atmosphere, while dark blue can show melancholy or meditation.
4. Line: Line is one of the most important elements in composition. Through the thickness, straightness and arrangement of lines, different artistic conception and atmosphere are expressed.
5. Object: If there are specific objects in the poem, such as flowers, trees, mountains and rivers, etc. The scene described in the poem can be expressed through the description of details.
In short, painting a quatrain into a picture requires a deep understanding of the theme and emotion of the poem, and it is expressed by means of color, lines and composition.