The right side of the thyroid gland has been swollen for two months, and the increasing swelling may suggest disease progression. Symptomatic treatment should be taken after the cause of the disease has been clarified, and the treatment includes dietary adjustments, medication, radioactive iodine, and surgical treatment. 1. Simple goiter: For patients with simple goiter, dietary supplementation of iodine, consumption of iodized salt, eating more kelp, seaweed, seafood and so on. 2. Occupying lesions: Treatment should be decided according to the nature and size of the lesion. Benign tumors account for most of the cases, including thyroid adenomas, cysts, hemangiomas, etc. Malignant tumors, also known as thyroid cancer, can be divided into papillary, follicular and medullary carcinomas, etc. Surgery and radioactive iodine treatment can be adopted, and levothyroxine can be used as replacement therapy after surgery. The patient’s right side of thyroid gland has been swollen for two months, and the swelling is getting bigger and bigger. It is recommended to go to the regular hospital in time to improve the thyroid ultrasound and thyroid function test, etc., so as to clarify the cause of the disease and then treat the disease under the guidance of the professional doctor.