北宋画家张择端创作的《清明上河图》描绘了其时都城东京(今河南开封)清明时节的繁华景象以及社会生活的各个场面,堪为中国艺术史上的不朽之作。同时,它也具有不容忽视的历史文献价值。自此图问世以来,影响所及,摹本、仿本纷至沓来,世人以之为宝而竞相争购,晚明李日华在《紫桃 The Qingming Riverside Drawing by the Northern Song Dynasty painter Zhang Zidan depicts all the scenes of the Qingming Festival and the scenes of social life in the capital city of Tokyo (now Kaifeng, Henan Province) and is a monumental work in the history of Chinese art. At the same time, it also has the value of historical documents that can not be ignored. Since the advent of this picture, the impact of the copy, copy, imitation after another, the world competing for treasure, competing in the late Ming Li Rihua "purple