Mogao Grottoes of Dunhuang are the largest and have the most abundant Buddhist arts in northwestern China. Mogao Caves combine the art of painting, painted sculpture, and cave painting. It has a long and influential history, but it is rarely recorded in history due to its special geographical location. Most of the Dunhuang Grottoes' painted sculptures and cave paintings are Buddhist in content. These works of art provide an insight into the process of integrating foreign Buddhism with traditional Chinese culture. To analyze the visual art of Buddhism in Dunhuang, researchers revisit the historical context of the time and find out the ancient Greek elements in Dunhuang's statues and murals from the perspective of the fusion of Eastern and Western cultures. From the perspective of techniques, researchers analyze Dunhuang artworks through its particular materials, which reflects the working wisdom and devout Buddhist beliefs of the ancient Chinese people.