Abstract: Based on the successful application of the soil stabilizer in the roadbed engineering，the paper introduced the soil stabilizer to the mine tailings filled system to cement the high clay tailings.A series of comparative tests of filling verified the soil stabilizer's good effects on cementing mud and its good filling transmission characteristics，which provided the technical support for the direct use of the high mud tailings.Through this way，the filling process could be simplified and zero emissions of tailings were achieved.

Key words: Soil stabilizer, High clay, Full tailings, Cemented backfill