Objective:To study the mental health conditions of the pupils in Chongqing downtown for further intervention.Methods:3612 pupils in Grade 4~6 in Chongqing downtown

after stratified random sampling

were examined by mental health test(MHT).Results:3% of the students suffered from mental health problems.The scores of girls were significantly higher than those of boys on learning anxiety and body symptoms

while the scores of boys were significantly higher than those of girls on loneliness.The scores on loneliness and body symptoms in Grade 4

on learning anxiety

sensitiveness and impulse tendency in Grade 5

and on self-blame and fear tendency in Grade 6 were significantly higher than those in the other Grades.The scores on loneliness and fear tendency among the pupils in schools mainly for rural migrant laborers’ children

and on body symptoms among the students from ordinary primary schools were significantly higher than those from key primary schools.Conclusion:The mental health conditions of pupils in higher grades are not satisfying in Chongqing

and targeted intervention should be taken.