Sanshuwu is a common image in the funeral art of Han Dynasty. According to the scene of the appearance of Sanshuwu, the portraits of Sanshuwu can be divided into four types: Japanese and Chinese Sanshuwu, Xiwang's mother's servant Sanshuwu, Sanshuwu in Sanxiang combination, and single Sanshuwu. The image of Sanshuwu first appeared in the form of Japanese and Chinese Sanshuwu in the late Western Han Dynasty, symbolizing the sun. From the late Western Han Dynasty to the early Eastern Han Dynasty, under the influence of Chenwei thought, Sanzuwu had the characteristics of Yang essence and filial piety, so it was able to enter the fairyland portrait of the queen mother of the West. It appeared as the attendant of the queen mother of the west, symbolizing the function of the queen mother of the west to protect filial piety and family harmony.