Abstract: Objective To explore the application value of clinical imageology in the diagnosis of intussusception in infants.Methods Perform uhrasonography and atm-coloclysis X-ray to 50 cases of intussusception in infants.Results The clinical manifestations of infant intussusception are stomachache, crying, vomiting, bloody stools like jam and lump. It showed "cocenric citcle sign" and "bush sign". Atmcoloclysis X-ray examination is useful to its' diagnosis and treatment.Conclusions To acquire significant effect, the doubtful intussusception should perform ultrasonography firstly, and then give atm-coloclysis X-ray examination.