echinococcosis of bone is caused by Echinococcus granulosus, mostly in spine and pelvis,rarely in humerus and scapula,lacking of early clinical manifestations.With the development of the course of disease, it leads to pathological fracture, and has the ability to invade adjacent joints and tissues and secondary to hydatidosis in other parts.In addition, it is difficult to distinguish bone cyst, bone tuberculosis and bone tumor in imaging Patients often delay treatment.This paper reports a rare case of humeral shaft with scapular hydatidosis in our hospital.