The initial symptoms of thyroid disease are relatively mild and can easily be overlooked. Common symptoms include drowsiness, memory loss, mental discomfort, and unexplained swelling. For different thyroid diseases, the initial symptoms are also different. 1, goiter: Patients with goiter have no obvious symptoms at the beginning, but as the goiter increases, the organism will show up with hoarseness, whistling, difficulty swallowing, irritating dry cough, etc. Or it is only discovered during a health checkup. 2. Hyperthyroidism: Patients in the early stage of hyperthyroidism will show clinical manifestations such as body heat, palpitations, fear of heat, excessive sweating, great increase in appetite, fatigue, weight loss and hand trembling. With the severity of hyperthyroidism, some patients may develop proptosis, neck enlargement, increased basal metabolism and autonomic nervous system disorders. 3. Hypothyroidism: Patients at the initial stage will experience fear of cold, fatigue and weakness, followed by poor memory, unresponsiveness, drowsiness, mild anemia, weight gain, etc. 4, thyroiditis: when the organism has inflammation of the thyroid gland, patients will initially experience general discomfort, weakness, muscle pain, fear of heat, panic, excitement, excessive sweating, etc. The initial symptoms of thyroid disease are not very obvious, so in the daily physical examination must pay more attention to the examination of the thyroid gland, timely detection and timely treatment.