Abstract: There are two major ideas in the theories of unbalanced regional development:the theory of development poles and the theory of circulation of accumulative causal relationship.These two points are actually denial of balanced development.The former stresses creativity and function of progressive enterprises.Its description of social development has got more realistic,and thus adopted by different countrie to solve problems in regional planning.The latter,on the other hand,calls on establishing optimal environment for development to suit the reality of developing countries,in an attempt to strengthen “extension effect” and overcome“echo effect”.This idea,too,is picked up by developing countries.The theory of unbalanced regional development coincided the history of economic development in the USA.Other examples of developing countries that have succeeded in economic increase guided by the strategy of unbalanced regional development are Brazil and Malaysia.