The Zhao Sino-Korea Sea Communications & Ship-Cultural Exchange

장보고현상 급기대당대적계시

The concept of Chang Po-Go phenomenon is put forward and discussed in this paper from the point of view of international rationships in north-east Asia. Superfically, Chang Po-Go phenomenon showed trade prosperity on north-east Asia seas, but he nature of the phenomenon lies in the rising and strengthening of korea sea power. As works of the combination of general environment and individual heroism Chang Po-Go phenomenon can bring us some enlightenment on reform and open policy.