Objective To understand the psychological and behavioral status of children aged 3-6 years during COVID-19 and its influencing factors. Methods A total of 320 parents in Xiangyang city of Hubei province were surveyed using Conners’ Parent Questionnaire. Results The scores of conduct problems

learning problems and hyperactivity index of boys were higher than those of the Chinese norm（all P<0.05）; the scores of conduct problems

learning problems

impulsionhyperactivity

anxiety and hyperactivity index of girls were higher than those of the norm（all P<0.05）. There were significant differences in the scores of psychosomatic problem dimensions between children of different genders and family locations（both P<0.05）

as shown by the higher scores in girls than boys

and the higher scores in urban children than rural children. There were significant differences in the scores of conduct problems

psychosomatic problems

and impulsion-hyperactivity dimensions between children with different caretakers（all P<0.05）. The scores of children with caretakers as parents in the above dimensions were higher than those of children with caretakers as grandparents; there were significant differences in the scores of conduct problems

learning problems

impulsion-hyperactivity

anxiety

and hyperactivity index dimensions between children with confirmed or suspected cases of COVID-19 in the region where they were located（all P<0.05）

and the scores of children with confirmed or suspected cases in the above dimensions were higher than those of children without confirmed or suspected cases in the region where they were located. The total detection rate of psycho-behavioral problems in children was 21.6%

in which the detection rates of conduct problems

impulsion-hyperactivity

and hyperactivity index were 5.3%

the detection rate of learning problems was 3.8%

and the detection rate of anxiety was 1.9%. The results of multiple linear regression showed that the regression effect of confirmed or suspected COVID-19 cases on children’s psychological behavior was significant（P<0.05）. Conclusion COVID-19 has a great impact on the psychological behavior of children aged 3-6 years

and the total detection rate of children’s psychological behavior problems remains high

in which the detection rate of conduct problems

impulsive-hyperactivity and hyperactivity index is high. Confirmed or suspected cases in the area are high-risk factors for psycho-behavioral problems in children aged 3 to 6 years

Parents and educators should attach great importance to it

so as to provide qualified psychological counseling for children during the pandemic.