Coffee is not recommended for patients with hyperthyroidism. Hyperthyroidism is a group of clinical syndromes characterized by excessive synthesis and secretion of thyroid hormones, resulting in hypermetabolism and increased sympathetic excitability. Coffee is a stimulating drink that can stimulate vasoconstriction, accelerate the body’s metabolism, and also stimulate the body’s central nervous system, increase central nervous system excitability, which will make the patient’s sympathetic nervous system excitability symptoms worsened, and is not conducive to the treatment of the disease. Secondly, hyperthyroidism patients themselves due to disease factors, may cause sleep disorders, and coffee excitation of the central nervous system will aggravate the symptoms of sleep disorders, the treatment of the disease requires patients to maintain a good state of rest, therefore, drinking coffee is not conducive to the recovery of the disease. To summarize, patients with hyperthyroidism are not recommended to drink stimulating beverages such as coffee, strong tea and so on. It is also recommended that patients with hyperthyroidism consult a doctor in time for treatment under the guidance of the doctor.