This article will focus on the achievements of Wang Ziwu in ink and wash figure painting. Through the examination of his artistic experience, he will look for the historical reasons that formed the artistic characteristics of his ink and wash figure painting, and then deeply analyze the unique shape and language of his ink and wash figure painting. Explain his value and significance for the development of Chinese ink and wash figure painting, as well as the inspiration and guidance for my artistic creation. Based on the multimedia background, this paper studies the shape of Wang Ziwu's ink figure painting, and uses principal component analysis to extract, classify and model the ink and ink.