The painting "Shu Shan Tu" (蜀山图), also known as "Mountains of Shu", is a quintessential masterpiece by Xu Ben (徐贲), one of the celebrated "Four Outstanding Talents of Suzhou" (吴中四杰) during the late Yuan and early Ming Dynasty transition. This work is revered not only for its technical brilliance but for its embodiment of the literati spirit—a movement where painting became a vehicle for personal expression and moral cultivation.

Xu Ben lived during a period of intense dynastic change. As a scholar-official, his landscapes often reflected a sense of seclusion and intellectual independence. Although Xu Ben was a native of the Jiangnan region, "Shu Shan Tu" depicts the rugged, precipitous terrain of Sichuan (Shu). It is believed to be a conceptual landscape, representing the arduous journey of life and the sublime power of nature, a common theme for scholars navigating the turbulent politics of the 14th century.

In this work, Xu Ben demonstrates his profound mastery of the Dong Yuan and Juran tradition. He utilizes "Hemp-fiber strokes" (披麻皴) to build the textures of the rolling mountains, creating a sense of organic rhythm and depth. The use of "Alum heads" (矾头)—small, rounded rock formations at the mountain peaks—adds a rhythmic pulse to the composition. His ink wash (水墨) technique is layered and rich, achieving a "moist" quality that suggests the misty atmosphere of the high altitudes.

The composition of "Shu Shan Tu" follows the "High-Distance" (高远) perspective described by Guo Xi. The viewer’s eye is led from the winding paths and solitary travelers at the base, up through cascading waterfalls and dense pine forests, to the towering, cloud-shrouded summits. This vertical orientation emphasizes the monumentality of nature compared to the smallness of man, a hallmark of the Yuan Dynasty landscape style.

Xu Ben’s "Shu Shan Tu" is a bridge between the monumental styles of the Northern Song and the expressive brushwork of the later Ming periods. It captures the desolation and purity sought by the Yuan literati. Today, it remains a vital reference for understanding traditional Chinese aesthetics, particularly the concept of "Shenyun" (spiritual resonance) and the technical evolution of monochrome ink painting.