Thyroid cancer with lung metastasis will show different symptoms. Metastasis to the hilum and bronchus, patients will have cough. Some patients have irritating cough, coughing blood, tightness of breath after activity and difficulty in breathing. Some patients will have fever with infection as the main symptom, and metastasis to the pleura will cause chest tightness, intermittent cough and shortness of breath. Treatment of thyroid cancer metastasis to lung is based on advanced thyroid cancer treatment plan, which can be treated with chemotherapy, iodine-131 treatment or other treatments, and now it can be combined with immunotherapy and advanced TCM treatment. There are more treatment options for thyroid cancer metastasis to lung, especially nowadays it is more commonly used to combine TCM, which includes Tianlong, Gecko, Cat’s Claw, Shancii mushroom and Zhaobei mushroom, thus it can achieve the effect of softening and dispersing the lung masses, and also cure the thyroid masses. Therefore, Chinese herbal medicine combined with chemotherapy can improve the symptoms of patients with advanced thyroid cancer lung metastasis, prolong the survival period and improve the quality of life.