Objective:To establish Chang-An Intelligence Test for Group( C-AITG) middle school students??norm in North China.Methods:A total sample of 3700 subjects was gathered from three provinces of Northeast China, Neimonggu province, Hebei province, Beijing and Tianjing.Results: The reliability and validity of C-AITG all satisfied the demands of psychometrics, and the result of factor analysis showed that its structure model was good.Conclusion: C-AITG can be used in middle-school students in North China.??