Abstract: ObjectiveTo study the association of perception of personal discrimination with coping style among left-behind children and to provide evidences for mental health promotion among the children.MethodsUsing a self-developed perception of personal discrimination questionnaire(PPDQ)and coping style questionnaire(CSQ),we surveyed 159 left-behind children and 146 non left-behind children.ResultsCompared to the non left-behind children,the left-behind children had significantly higher domain scores of PPDQ for overall(1.37±0.41),idea(1.21±0.43),contact behavior(1.31±0.59),adverse influence contribution(1.38±0.59),mistake-making tendency(1.31±0.58),and the way to be treated(1.64±0.67)perception of personal discrimination and higher domain scores of CSQ for self-blame(0.41±0.28)and rationalization(0.45±0.24)(all P<0.05).The overall perception of personal discrimination showed positive function in predicting self-blame(β=0.269,P=0.000)and rationalization(β=0.228,P=0.002)and negative function in predicting solving problems(β=-0.178,P=0.016);the perception of personal discrimination for the way to be treated had positive function in predicting self-blame(β=0.252,P=0.001)and rationalization(β=0.238,P=0.001);the perception of personal discrimination for contact behavior had negative function in predicting seeking help(β=-0.169,P=0.022);the perception of personal discrimination for adverse influence contribution had negative function in predicting solving problems(β=-0.152,P=0.040).ConclusionThe perception of personal discrimination has negative influence on coping style among left-behind children.