First, the draft portrait.

1. Before you start to paint a portrait of Yuan Longping, you need to get ready first. This includes carefully observing Yuan Longping's photos, analyzing his facial features, and his clothes and posture. Then, use a pencil to sketch his outline on the canvas, paying attention to details, such as his glasses, beard and wrinkles.

2. This step needs to accurately capture his facial features and demeanor, so it requires a high painting skill and a deep understanding of Yuan Longping.

Second, the color rendering of portraits

1. After the outline is determined, start to paint with pigments. First, draw the background color of his face and clothes in a lighter color. Then, use darker colors to strengthen shadows and highlights, highlighting his five senses and the texture of his clothes.

2. In the process of color rendering, it is necessary to constantly compare with photos to ensure that the drawn image is similar to the Yuan Longping in the photos. Finally, draw his beard and wrinkles with dark pigments, emphasizing his age and experience.

Third, the details of the portrait

1. After the color rendering is completed, the details of the portrait are processed. This includes his glasses, hairstyle, clothes and other details. These details need to be handled very carefully, because they can enhance the realism and fidelity of portraits.

2. For example, his glasses need to draw reflected light and refracted light on the lens to increase the three-dimensional sense; For his hairstyle, you need to draw every hair, pay attention to the direction and curvature of the hair; For his clothes, it is necessary to draw the texture and folds of the clothes to increase the texture of the clothes.

Fourth, the final adjustment of portraits.

After finishing the details, you need to make final adjustments to the portrait. This includes fine-tuning colors, trimming lines and perfecting details. This step needs to pay attention to the coordination between the overall effect and the details, so that people can look more natural and real. At the same time, it is necessary to properly sign and mark the portrait to increase its artistic value and commemorative significance.