1. Prepare painting materials: paper, pencil, crayons or crayons, etc.
2. Sketch the shape of the cup gently on the paper with a pencil. You can start by drawing a circle as the top of the cup and extend downward to draw the cup body. Choose to draw a simple and modern cup shape or add special design elements to express the theme of health and environment.
3. Draw patterns or symbols related to health and environment on the outside of the cup. Draw some vegetables, fruits, leaves and flowers to show healthy food and natural environment. Add some signs of sustainable development, such as circular arrows, solar energy icons, recyclable signs, etc. To emphasize the concept of environmental friendliness.
4. Next, color the cups and patterns with colored pencils or colored brushes. Choose colors suitable for health and environmental protection, such as green, blue, yellow, etc. Choose color combinations according to your preferences and creativity.
5. Check the painting to see if any modification or detail adjustment is needed. Draw some details with a pencil or thin-line pen to make the picture clearer and more vivid.