After the middle period of the Ming dynasty, Macau became the important harbor gradually. It played an important role in the process of Ming and Qing dynasties when Chinese and foreign economic culture developed. And in the Mingand Qing dynasties the track of Macau historical development and population variety had close colleration,since both interact as cause and effect. On the one hand, the historical condition of population variety affeced the prosperity and decline of Macau harbor; on the other hand, th...