本文以元人郭畀所撰《云山日记》为中心,通过个案考察,探讨元代江南士人如何利用书画才能经营社会网络。结合数据统计与具体历史场景的分析,本文说明扩大社会网络的规模、增强网络内部的人际互动有利于郭畀书画才能的施展。郭畀运用不同策略维系社会网络,并依靠其力量在当时艰困的外部环境下实现了一系列功利与非功利的诉求。 This paper focuses on the “Yunshan diary” written by Yuan Kuo, through case study to explore how the scholars of Jiangnan in the Yuan Dynasty can use the calligraphy and painting to manage the social network. Based on the analysis of data statistics and specific historical scenarios, this article shows that expanding the scale of social networks and enhancing the interpersonal interaction within the network are conducive to the application of Guo Kui’s calligraphy and painting skills. Kuo Kui used different strategies to maintain social networks and relied on his power to achieve a series of utilitarian and non-utilitarian demands in the difficult external environment at that time.