Since Soviet Union disintegrated,the low economic development in the member countries of original Communist Party of the Soviet Union body and their traditional dependency on Russia generates lots of illegal emigrants,which causes a series of social、cultural and environmental problems to the receiving countries and has negative effects on the security of Central Asia and international society.The problem of illegal emigrants became an important part in the nontraditional security issue in the Central Asia region.Because of its complexity and globalization,it needs full devotion and cooperation of inner parts of this region and relevant countries.