The thyroid gland is the endocrine organ of the body, which has an important influence on the growth and development of the body, sexual function and reproductive function. Thyroid pain is usually caused by the following reasons: 1. Rupture and bleeding of thyroid nodules: If the body coughs violently or suffers from trauma, it is easy to cause the rupture and bleeding of thyroid nodules, thus causing pain. 2. Thyroid cancer: If cancer occurs in the thyroid gland, such as papillary thyroid cancer or lymphoma, it will cause tenderness in the thyroid gland, and patients will also have difficulty in swallowing and hoarse voice. 3.Acute purulent thyroiditis: If the thyroid pain is caused by acute purulent thyroiditis, the patient will experience local skin redness, swelling, and heat, as well as difficulty in swallowing and pronunciation. 4. Subacute thyroiditis: Patients not only have thyroid pain, but also clinical manifestations such as weakness, loss of appetite, swollen lymph nodes in the neck, and fever. 5. Hashimoto’s thyroiditis: Patients with Hashimoto’s thyroiditis will have significant thyroid pain that is prolonged. Usually, pain in the thyroid gland is mainly caused by the above-mentioned diseases. It is advisable to go to the hospital in time to clarify the cause of the disease and carry out active and symptomatic treatment, and never blindly use painkillers to deal with it by yourself.