Abstract
It has been for quite some time the conspiracy that Japan invaded China and seized the Northeast. In the process of its implementation of the conspiracy, there had a vehement interest conflict between Japan and Soviet Russia. After the Japan-Russia War, Northeast China became a sphere of influence between Russia and Japan, but they fought against each other continually for Zhongdong Railway issue. After the September 18 Incident, situation of Zhongdong Railway was in depression, together with threat of Puppet Manchu, so in 1933, Soviet Union government transferred all its authority in Zhongdong Railway to “Manchuria Government” in a paid form. Japan eventually achieved its purpose