Objective :To investigate the diagnostic value of ultrasonography in tuberculosis of the ankle joint. Methods: Clinical informations and ultrasonic manifestation of 8 patients with ankle tuberculosis were retrospectively analyzed.Results: Ultrasound examination of 8 cases with tuberculosis of the ankle joint synovial thickening, 8 patients；joint effusion, 6 patients； bone destruction,7patients；soft tissue swelling ,8 patients.；soft tissue abscess,6 patients.Conclusion；Ultrasonic manifestation of ankle tuberculosis has the relative characteristics ,and has good value of clinical applications.