Introduction to painting: The painting of Wumen Palace was completed between the 52nd and 53rd years of the Republic of China. There are a total of five pairs of door god painted works. Among them, the main entrance is "Weituo and Jialan", the secondary door gods are the "Four Heavenly Kings", the door gods of the arches on both sides are in the shape of a eunuch, symbolizing an increase in official salary, and a civil official, symbolizing wealth and advancement.