To　satisfy　the　performance　test　of　the　high　power　hydraulic　pump,　a　test-bed　is　developed　in　this　paper.　The　parameters,　the　sign　of　the　control　and　the　data　of　the　state　are　concluded.　The　test-bed　employs　the　virtual　instrument　technique　and　PXI　bus　structure　as　well　as　M　series　data　acquisition　apparatus,　it　can　measure　the　important　performance　parameters,　such　as　pressure,　flow,　torque,　speed　and　temperature;　then　we　deal　with　and　analysis　these　data.　During　the　testing　procedure　it　can　realize　automatic　control,　such　as　regulating　the　flow,　pressure　and　so　on.　During　the　measuring　and　controlling,　we　can　also　monitor　the　state　of　the　test-bed　and　give　an　alarm,　such　as　over　temperature　or　pressure.　©　(2010)　Trans　Tech　Publications.