1. Preparation tools: Prepare painting tools and paper, and choose appropriate colors and brushes.

2. Draw the shape of the potato: Draw a circle on the drawing paper as the shape of the potato, which can be drawn with a reference circle or compass.

3. Add details: On the basis of the circle, add details of small potatoes, such as eyes, mouth and small hands. These details can be drawn with a small brush or Gou Xianbi.

4. Coloring: Choose the right color and color the small potatoes. You can choose bright or soft colors according to your personal preference.

5. Add shadows and highlights: Use darker colors to add shadows to enhance the three-dimensional effect of small potatoes. Use lighter colors to add highlights to highlight the details and textures of small potatoes.

6. Perfect the details: After completing the basic modeling and coloring, further improve the details, such as the hairstyle and clothes of Ma Xiao potato. These details can be added according to personal preference and creativity.

7. Finish the work: Finally, check the details and proportions again to ensure that the shape and details of the small potato meet your own creativity and requirements, and then finish the work.

Matters needing attention in learning to draw small hemp potatoes:

1. Observe and understand the characteristics of small potatoes: Before painting, we need to carefully observe the characteristics of small potatoes, including shape, size, color and details, in order to better express its image.

2. Learn the basic skills of painting: learn the basic skills of painting such as sketch, color and composition. These skills are the basis of painting and can help you better express the image of Ma Xiao potato.

3. Practice the description of basic forms: master the description of basic forms, such as circles and ellipses, which are the basis of the image of small hemp potatoes and can help you better understand its shape and structure.

4, pay attention to detail description: the details of small potatoes are the key to their image, such as peas, eyes, mouth and so on. It needs careful description to achieve vivid results.

5. Practice more and learn more: painting small potatoes requires constant practice and learning. You can improve your painting level by imitating other painters' paintings, and you can also improve your skills by learning related painting tutorials.