Thyrotoxicosis is a clinical syndrome caused by high levels of thyroid hormones in the patient’s body, affecting the body’s metabolic functions as well as the functions of other systems, and it is recommended that patients diagnosed with thyrotoxicosis be actively treated. The cause of thyrotoxicosis is complex, mainly due to the presence of Graves’ disease and other diseases, the body’s hyperthyroidism, a large amount of secretion of thyroid hormones caused. The disease will cause patients to develop a variety of clinical symptoms mainly due to hypermetabolic function, most patients will first appear easily agitated, tachycardia, fatigue, fear of heat, appetite but weight loss and other typical symptoms of hyperthyroidism. Secondly, when too much thyroid hormone in the patient’s body affects the function of other systems, it will also lead to a variety of other symptoms. For example, when the cardiovascular system is affected, palpitations, shortness of breath, elevated blood pressure, atrial fibrillation, heart failure and other symptoms will occur, and when the nervous system is affected, insomnia, irritability, nervousness and anxiety, memory loss and other symptoms will occur. Meanwhile, when the reproductive system is affected, a small number of patients will experience symptoms such as impotence in men and reduced menstrual flow or even amenorrhea in women. It is recommended that patients with abnormal thyroid function should first seek medical examination to clarify the specific cause of the disease and then seek timely treatment.