The invention discloses a data collecting method applied to network monitoring. The method specially comprises step 1: collecting general situation data of a host; step 2: collecting disk data; step 3: collecting service and progress data; step 4: collecting memory data; step 5: collecting network data; step 6: generating a warning report form; step 7: generating warning configuration. By the data collecting method disclosed by the invention, the requirements on flexible collecting, wider collecting content and diversified collecting strategies of a network management system can be met by a dynamic task proxy data collecting way, and the collecting way and other collecting ways can be used in a combined manner; the shortages of other collecting ways are overcome, and the requirement on current network management data collection is met better.