Abstract: Dividing the thoughts of domestic people is the CPC’s important political theory,which includes the main task,main content and realization path.The thoughts are based on class analysis and enemies or friends analysis to clear which force can be relied on or united and which force can be isolated or against among all the classes,strata and groups.Since 1949,the thoughts have gone through various historical periods,made great achievements,and gained serious error.Historical experience shows that basic Marxism principles’ combined with China’s reality is the premise of theory and practice.And the scientific usage of class analysis and enemies or friends analysis are the key factors.How to mobilize all positive factors is the most important test.

Key words: people, class, class analysis, enemies or friends analysis