Objective To reveal characteristic of perceived discrimination of migrant children in second-tier city

and to explore the relationship between perceived discrimination and depression.Methods Using perceived discrimination scale and CES-D scale to investigate 314 migrant children in Chengdu and the results were analyzed.Results 36.9% of migrant children in Chengdu reported no experience of discrimination

while children who had experienced discrimination scored an average of 1.74±0.48 on the questionnaire.Compared to girls and migrant children from rich families

boys and migrant children from poor families perceived more discrimination

and the difference was significant（P<0.05）.The average of migrant children experienced discrimination scored an average of 1.99±0.52 which was higher than the average of 1.79±0.46 scored by migrant children experienced no discrimination

and the difference was significant（P<0.05）.Among migrant children who had experienced discrimination

the level of perceived discrimination could positively predict the level of depression（P<0.01）.Conclusion The issue of discrimination of migrant children in second-tier city was not severe

however

perceived discrimination still had obvious negative effects on migrant children′mental health.