1. Expression: Flower-and-bird painting: expressing the author's feelings, thoughts or implications by depicting the images of animals and plants in nature. The images of flowers and birds, landscapes and figures in the painting are not only superficial descriptions, but also reflect the author's inner feelings and emotions.
2. Focus: Flower-and-bird painting: pay more attention to the description and expression of nature, and express the author's feelings and thoughts through observation and perception of nature. The image in the painting is not only a representation of nature, but also a portrayal of the soul.