HRM is indeed the main field for Internet being used in enterprise.First o f all,Internet has tremendous influences on HRM.It may be described in two major aspects:it has changed macro -environment of HRM and has increased the openness,democracy a nd scientific nature in HRM.It is als o a great challenge for HRM.Secondly,Internet has changed the marketing e nvironment of HR by aggravating the s hortage of talented personnel and re quiring people to change their old knowledge structure.This in turn makes the str uctural inconsistency of personnel supply and demand more badly.Thirdly,Inte rnet speed up the flow of personnel th at is helpful to enterprises.Lastly,In-ternet is conductive to the pool of HR by enhancing the possibility to pool the limited HR and increasing the ef-fectiveness to pool HR.All in all,In ternet propels changes in HRM in order to catch up with the tide of infor-mationization and network in business management.It will directly and i ndirectly change the ideas about HRM.