The medieval period was very envious of China, to the late Qing Dynasty despise China, to the Second World War period need China, to the 1960s and 1970s Europe divided between those who liked and those who hated. In the 1980s and 1990s, they felt that China was backward. To the 21st century on the Chinese people's habits of life and behavior is very disgusting, and then some time will have a new understanding.