The dragon is sometimes used in the West as a national emblem of China. However, this usage within both the People's Republic of China and the Republic of China on Taiwan as the symbol of nation is not common. Instead, it is generally used as the symbol of culture.The dragon is also a symbol of power, strength, and good luck.
Historically, the dragon was the symbol of the Emperor of China. In the Zhou Dynasty, the 5-clawed dragon was assigned to the Son of Heaven, the 4-clawed dragon to the Zhuhou (seigneur), and the 3-clawed dragon to the Daifu. In the Qing Dynasty, the 5-clawed dragon was assigned to represent the Emperor while the 4-clawed and 3-clawed dragons were assigned to the commoners. The dragon in the Qing Dynasty appeared on national flags.[1]