This study is cond ucted for the purpose of improving the economic development of the coast zone of J iangsu Province.Based on the natu ral characteristics of the study region

the article discusses the characteristics of eco-environmental frangibility

the shortage of the resources such as capital

technology

and man- power

and the issues of polluted eco-environment with the economic development.For the contradictions be- tween economic povert y and eco-environmental frangibilit y

the cycling economic development pattern for the coast zone is expounded.At last

for the coast zone to develop cycling economy

it is suggested that the clean prod uction and eco-agricult ure should be developed in view of the protection of local eco-environment.