《元史》多处记载辽阳行省管辖内有水达达、合兰府水达达以及合兰府水达达路。由于书内记载笼统和混乱,史学界长期以来在认识上一直没能统一。过去中外史学界一向认为水达达和合兰府水达达是同一部族名称的不同写法,他们是分布在第一松花江下游至黑龙江下游的渔猎部族,合兰府水达达是管辖这一水系女真人的一个机构。笔者在研究东女真史过程 “Yuan Shi” records Liaoyang province provinces within the jurisdiction of water Dada, Hualian water Dada and Helan Water Dada Road. Due to the general and confusing records in the book, historians have long been unable to unify their understanding. In the past, Chinese and foreign historians always thought that Water Dada and Helan Water Dada are different wordings of the same clan names. They are fishing and hunting tribes distributed in the lower reaches of the first Songhua River to the lower reaches of Heilongjiang. A real woman’s body. The author is studying the history of the East Jain true process