“望气”是指凭视觉观察书画作品的风格来断定作品的真伪,而一个时代的演进,肯定会塑造一批有共同性,代表主流风格的艺术家或者一个画家的画风影响这个时代。一个时代的书画作品有其时代特性,这也是鉴定家鉴定书画真伪的一大重要依据。望气断代最重要的是对时代风格与各家风貌的认识,文章在此总结了徐熙画派与扬无咎画派之间的传承与发展。 “Wang Qi ” refers to the visual observation of the style of calligraphy and paintings to determine the authenticity of the work, and an evolution of the era, will certainly create a number of common, representative of the mainstream style of the artist or a painter’s style affect this era. An era of calligraphy and paintings have their own characteristics of the times, which is authentic identification of authenticity of the judge an important basis. The most important thing to look down upon is the understanding of the style and style of the times. The article summarizes the inheritance and development between Xu Xi School and Young Improvisation School.