Abstract: The Art of War is an outstanding realistic military works,and full of the idealistic ingredients.The contents include: lofty political ideal of protecting the state and people,the strategy of victory,unison ideal of ideal,the perfect qualities of generals with five military morality,etc. At the same time,Sun Tzu's idealism based on the objective reality,emphasizes the combination of righteousness and quirkiness,the complete victory and the incomplete,the educational and the legal binding,the perfect and the rational. The organic combination thinking method of the ideal and reality,not only has a profound impact on the Chinese history,but also has reference value to today's Chinese Dream.