With the building of Middle East Railway, Harbin which had the better land and water transportation had developed rapidly in 20-30 years and been a core-business city and quite influential in the Far East. Many famous international companies entered Harbin with a view to competition for profit. At the same time, it encouraged the development of Chinese national industry and commence. So Harbin’s multicultural character appeared. After Mukden Incident, Japan wanted to occupied Harbin alone, and monopolized, plundered Harbin’s industry and commerce, in order to maintained the war of aggression. Thus, the process of Modern Urbanization of Harbin had been broken and went back to a closed state.