The principal component analyses for the present pollution indexes in every estu-ary along Binghou coast in Bohai Sea were made.Thus the primary pollution indexes are given.

• 本文对渤海滨州沿岸各入海河口进行了现状污染指标的主组元分析，获得表征各河口的主要污染指标，进而说明各河口污染类型。