Abstract: Abstract: In the times of Three Kingdoms, Jiaozhou has become more important than ever before for its strategic meaning. Therefore, the kingdons of Shu, Wu, Wei, and Jin have disputed for it for many years, as the changes and development of Jiaozhou's situation have closely connected with their power and the whole countr's unity.

Key words: strategic position, disputation, situation to defense and attack, Key words: Jiaozhou