Objective To evaluate arterial embolization in the treatment of hyperthyrodism.Methods The catheterization of the femoral artery was carried out with Seldinger's method.After super-selective catheterization of superior and inferior thyroid arteries were completed,embolization with PVA,grain of gelfoam or wreath of spring was performed.Results The procedures were succeeded in 11 cases.After the embolization,the function of thyroid gradually retuned to normal level.All of them were healed clinically.Conclusion Arterial embolization is a simple,safe,reliable and very effective treatment for hyperthyrodism.