This article explains the definition , character and the related key skills of data warehouse. Combined with thesimultaneity and importance of the war-field threat estimation , the data warehouse of the model is defined.Based on this , a model of object threat estimation is built according to data warehouse. And finally , a star data model of the object threat estimation is produced. Using the data warehouse skills for realizing tne object threat estimation can improve speediness 、accuracy and prediction ability of the threat estimation of the object in the air.