Objective:To develop a mental scale to measure and identify the non-addiction but excessive dependen‐cy on Mobil phone for College Students (EDMS -C) ,and test the scale’s reliability and validity .Methods:According to theoretical analysis and interview ,we proposed the initial scale with 30 items .682 college students’ data were col‐lected in sum .The scale was first revised through item analysis ,then the construct validity of scale was tested by ex‐ploratory factor analysis(n=338)and confirmatory factor analysis (n=310) ,the retest reli...