渤海族在金代享有特殊的政治社会地位,他们通过累世的联姻与女真统治者结成了牢固的政治同盟。金代中期以后,由于渤海人卷入了皇位继承权之争,从而导致这种联姻关系的最后破裂。本文试图通过对渤海右姓大氏、李氏、张氏与女真皇室间的通婚的考察,以昭示金代渤海人集团政治势力的消长兴衰。 The Bohai Sea enjoyed special political and social status in the Jin dynasty. They formed a firm political alliance with the Jurchen rulers through all-around marriage. Since the middle of the Jin Dynasty, Bohai Sea people became entangled in the dispute over the succession of the throne, leading to the final rupture of this marriage. This article tries to clarify the rise and fall of the political forces of the Bohai people group in Jin Dynasty through the investigation of the intermarriage between the surnames Dai, Li and Chang in the Bohai Sea.