Abstract： Objective To evaluate the clinical value of ultrasonography in the diagnosis of hermaphroditism.Methods Ultrasonographic appearances of 45 cases with hermaphroditism were reviewed retrospectively,and the results were compared with clinical data.Results All cases were confirmed pathologically.5 cases showed true hermaphroditism (11.1％),14 cases showed male pseudohermaphroditism (31.1 ％),24 cases showed female pseudohermaphroditism (53.3 ％),2 cases showed gonadal dysgenesis(4.4％).Compared with pathological results in the ultrasound examination,4 cases showed true hermaphroditism,the coincidence rate was 80％.11 cases showed male pseudohermaphroditism,the coincidence rate was 78.6％.20 cases showed female pseudohermaphroditism,the coincidence rate was 83.3％.1 cases showed gonadal dysgenesis,the coincidence rate was 50.0％.Conclusions Ultrasonography can not only evaluate internal reproductive organs in the patients,but also estimate the site,size,morphology and structure,which provides important imaging evidence for the clinical diagnosis and treatment.