The treatment of hyperthyroid heart disease mainly has the following 5 aspects: 1, anti-thyroid medication, adequate amount of anti-thyroid medication should be given immediately to control thyroid function to normal; 2, iodine 131 therapy, after thyrotoxicosis is controlled by anti-thyroid medication, large dose of iodine 131 should be given as early as possible to destroy thyroid tissue, if hypothyroidism occurs after iodine 131 therapy, small dose of L-T4 should be tried to control serum TSH in the normal range to avoid the side effects of excessive L-T4 on the heart; 3. β-blockers, propranolol can control tachycardia and can also be used for heart failure due to tachycardia; 4. The measures to deal with acute heart failure combined with hyperthyroidism are the same as those without hyperthyroidism, but the difficulty of correction is increased; 5. Atrial fibrillation can be controlled by propranolol and digitalis, and after controlling hyperthyroidism can be implemented Electrical resuscitation can be implemented after controlling hyperthyroidism.