Hidden pain on one side of the thyroid gland may be caused by subacute thyroiditis, thyroid nodules, thyroid cancer and other diseases. If it is thyroid cancer, patients can take radiation therapy, medication, surgery and so on. 1. Subacute thyroiditis: For patients with subacute thyroiditis, they can take aspirin tablets, ibuprofen extended-release capsules and other non-steroidal anti-inflammatory drugs as prescribed by the doctor for pain relief, and when hypothyroidism occurs, they can also take levothyroxine sodium tablets to supplement the body’s hormone levels. 2. Thyroid nodule: Thyroid nodule may also cause the patient to have the symptom of hidden pain on one side of the thyroid gland, and the patient can follow the doctor’s advice to take surgical treatment, such as thyroid lobotomy, microwave ablation and other surgical methods. 3. Thyroid cancer: For the hidden pain on one side of the thyroid gland caused by thyroid cancer, patients can follow the doctor’s instructions for radiation therapy, such as radionuclide iodine 131 and other treatments. Patients can also follow the doctor’s instructions for chemotherapy, mainly using paclitaxel injection, cisplatin injection and other chemotherapeutic drugs. In addition, patients can also undergo surgical treatment, mainly by thyroid lobectomy, palliative surgery and other surgical methods. When the patient has the symptom of hidden pain on one side of the thyroid gland, he should consult a doctor in time and follow the doctor’s instructions.