Researching on kao - kou -Li sites had become one focal point in the field of Northeast Asia. Pottery which is very abundant plays an unsubstituted role in helping to make clear the Chronology and developing phases of Kao - Kou - Li sites. Through analyzing those sites which have absolute or relative date, the essay tried to determine the typical sites dating from the initial to final developed phases of Kao - Kou - Li, furthermore, established the pottery chronology by studying the pottery unearthed from some related units. On the basis, the author divided the Kao - kou - Li pottery into nine groups four phases utilizing the inheritance relationship and combination of various types of pottery.