The global change is a vital subject which international scientific circle and governments arc paying a good deal of attention to . Because of it is complexity, many major theoretical issues have yet to be explored. In this paper the author connects the global change with the anthroposphere, and explain-the nowaday global change by use of evolution of the anthroposphere and other geosphere. It is dis cussed mainly that the connection between of the global system and the earth system and their difference, the latest geosphere:anthroposphere,and characer,reason and prospect of the global change ant present.