Architecture framework is the guide of architecture development. The latest research result is “Department of Defense Architecture Framework Version 2.0”. The development of Department of Defense Architecture Framework (DoDAF) and main versions are described. Further researches on “DoDAF2.0” are made. Otherwise, the prime changes and advantages of “DoDAF2.0” are analyzed. At last, some advices about architecture development of Military Information System of China are supplied. It is very meaningful to the study and research of the research institutions in China.