Different thyroid disorders have different symptoms, as follows: a. Simple goiter. Patients with simple goiter can generally find an enlarged thyroid gland in the neck, and ultrasound can also confirm an enlarged thyroid gland. The nodules can be felt above 1cm, mostly soft or tough, with smooth surface and clear borders, and can move up and down with swallowing. The symptoms of hyperthyroidism include agitation, irritability, insomnia, palpitations, fatigue, fear of heat, excessive sweating, weight loss, hyperphagia, increased stools or diarrhea, and scanty menstruation in women, and proptosis in some patients. Subacute thyroiditis, mainly manifested as neck pain, tenderness in one side of the thyroid gland, and fever, joint pain and other systemic inflammatory reactions. Chronic lymphocytic thyroiditis, also known as Hashimoto’s thyroiditis, is characterized by general malaise and most patients have no neck discomfort, but a small number of patients have localized pressure and vague neck pain. Five, thyroid tumor, the clinical manifestation is mostly a lump in front of the neck, with slow growth and no conscious symptoms. The surface of the lump is smooth, soft or tough, with clear boundary, and can move up and down with swallowing action.