After world warⅡ, the East Asian economic development strategy changed from "Import Substitution" to "Export Orientation", produced the development road with the outstanding characteristics, created "the East Asia Wonders", and also exposed some noticeable drawbacks in the Southeast Asia financial crisis. Analysing the characteristics of the East Asian economic development strategy and summing up its lessons and experiences will be of great referential value to the developing nations in drawing up their development strategies.