Objective To investigate the prevalence of children's dental fear (CDF) among school-age children aged 7-12 years in Wuxi city. Methods From October 2022-March 2023, 865 school-age children 7-12 years old were selected as the subjects by cluster random sampling method in Wuxi City, and the Children's Fear Survey Schedule-Dental Subscale (CFSS-DS) was used to investigate and analyze the incidence of CDF in different age groups. Results The incidence of CDF in school-age children aged 7-12 years in Wuxi city was 32.48%. The incidence of CDF in girls was 36.67%, which was higher than 27.95% in boys (P