Abstract: Objective: To assess the value of ultrasonography in diagnosis of papillary thyroid carcinoma (PTC). Methods: The ultrasonography and color Dopple's flowmeter image features of 57 cases of PTC diagnosed before surgery and proved by histopathology were analyzed retrospectively. Results: The ultrasound images revealed that 47 of the cases had hypoechoic nodules in the parenchyma of the thyroid and 10 had solid and cystic nodules; 50 cases presented irregular shape and no capsule, 34 cases nodular microcalcification and 41 cases rich internal blood supply or blood flow disturbance. Forty-eight cases preoperative ultrasonography in the diagnosis and postoperative diagnosis accord,compliance rate was 84.21%. Conclusions: Ultrasonographic features that can provide useful information for early diagnosis and surgical therapy,that are of great value in management of PTC.