Since the turn of the twentieth century,the Chinese clothing styles had been inevitably Westernized gradually. This trend was related to the anti-Manchu revolutionaries’ efforts to promote "cutting queues,changing clothing styles,and altering the reign title. "It was also shaped by the modern era,because the loose Manchu-style clothes and the strict official regulations on clothing styles could not fit in with the development of modern society. Even before the 1911 Revolution,the Qing court had permitted military men and students to change to Western style clothes. Paradoxically, after the establishment of the Republic of China,Sun Yat-sen,who advocated the Westernization of clothing styles,did not promulgate any policy to change clothing styles. Instead,Yuan Shikai issued the first government order in Chinese history to Westernize clothing styles. However, in 1929, the regulations of clothing styles promulgated by the Nationalist government plainly intended to stick to the Chinese tradition and refuse the Westernization. It stipulated the Manchu-style long gown and mandarin jacket as the formal dress for citizens,or the so-called "national dress".