(The beautiful national style illustrations with watercolor as the medium and the atmosphere and artistic conception of Chinese freehand brushwork are the combination of Western art and Chinese traditional culture. It has the characteristics of both watercolor painting and traditional Chinese painting, with rich cases and paintings. With beautiful style, it is not only suitable for watercolor lovers and traditional Chinese painting lovers to read and study, but also can be used as training materials for art, art design and other related majors in Colleges and universities.)