Thyroid spray is a topical medication that is essentially ineffective for thyroid-related disorders, and clinical treatment should be directed at the cause. 1. Thyroid nodules. When suffering from thyroid nodules, it is recommended that patients should follow up regularly, if the nodules are large, diagnosed through pathological examination, and considered to be malignant, timely surgical treatment. 2. Thyroid cancer. Once this disease is diagnosed, patients should follow the doctor’s instruction to give surgical treatment, and choose chemotherapy according to the patient’s condition. 3. Hypothyroidism. This disease is diagnosed through thyroid function tests and other tests, and thyroxine tablets are given orally. 4. Hyperthyroidism. Antithyroid-related drugs such as methimazole and propylthiouracil should be used as prescribed after the diagnosis of this disease. Other treatments include iodine 131 therapy and surgery. Thyroid-related diseases should be treated as prescribed by your doctor. Don’t blindly use medication that leads to progression of the disease and at the same time waste a lot of money.