About basic theory of this paper--five elements theory, there are also a number of relevant studies。 According to them, this paper can find the reason why a color corresponds to different power levels in different dynasties。  来,自.优;尔:论[文|网www.youerw.com +QQ752018766-

2。1 Relevant Studies on Official Robes

Official robe is mainly researched by historians and sociologists in China。 The Study of Ancient Chinese Clothing and Ornaments is a great work, which agglomerates Shen Congwen。 The book, ordered by chronology, researches system of ancient Chinese official robes and the relationship between social-material life and ideology, and introduces ancient Chinese official robes’ style, color and evolution in details (Shen, 2005)。 And Chinese Ancient Clothes generally summarize the ancient clothes characteristics and their connotations (Wang, 2003)。 Besides, Chinese Man’s Clothes, from a different perspective, focusing on man’s clothes in ancient China, tries to investigate historical cultures at that time (Chen, 2011)。 

Moreover, there are many researchers who probe into colors of official robes, such as Wang Rui once said, “In order to prove that their rule is providential, once a new dynasty is built, they will centralize legislation and colors which they adore” (Wang, 2010, p。 251)。 And Li believes that origin of using red, green, blueness, and purple to mark class of officials traces back to Sui and Tang Dynasty in ancient China。 After that, the change of official robes’ color is mainly based on these four colors (Li, 1990)。