With it like a performance of painting is not a traditional sense of the genre, unlike the Impressionists, and many other groups, so the early theory of foreign dispersed, mainly in some of the painter in his own words. 具象表现绘画并非一个传统意义上的风格流派,它不像印象派等诸多团体,所以国外的早期研究理论很分散,主要集中在一些画家自己的言论里面。