Hyperthyroidism rarely causes itching in the neck. Many people will have swollen neck, rarely causing pain. Most hyperthyroidism patients will have wet and sweaty skin. Sometimes, when skin rash occurs, there will be itching, which needs to be seen by the doctor in person. Other symptoms and symptoms of hyperthyroidism include fear of heat, sweating, panic, tremor, overeating, emaciation, and hyperthyroidism. The key lies in early diagnosis, early treatment, and diagnosis depends on thyroid function and thyroid ultrasound in addition to typical symptoms. When necessary, combined with the examination of thyroid iodine uptake rate and the treatment of hyperthyroidism, antithyroid drugs are generally the first choice. It usually takes a year and a half to two years, and iodine radiation or surgical treatment is very likely to cause hypothyroidism.