Goiter can be categorized into toxic goiter and non-toxic goiter. Toxic goiter can have symptoms of hyperthyroidism and goiter, while non-toxic goiter only has symptoms of goiter. 1. Toxic goiter: often accompanied by symptoms of hyperthyroidism, such as palpitations, sweating, weight loss, irritability, hyperphagia, diarrhea, inattention, hand tremors, etc. It may also be accompanied by goiter. 2. Non-toxic goiter: there is no obvious change in the appearance of goiter in the early stage. With the gradual progress of the disease, there may be symptoms of thickening of the neck, feeling of tightening of the collar, and there may be multiple nodules and symptoms of compression when the goiter is present. When symptoms similar to goiter appear, it is recommended to go to the hospital and ask the doctor to make a judgment.