Thyroid cancer is one of the common malignant tumors of the endocrine system and early symptoms may not be limited to only 8. It usually appears as a nodule or lump in the neck first, but it may not be obvious and easy to overlook, so it is often detected during physical examination. In addition, the development of the disease may simultaneously cause hoarseness, swollen lymph nodes in the neck, difficulty in breathing, difficulty in swallowing, pain around the thyroid gland, diarrhea, hyperactivity, etc.: 1. Neck nodes or masses: usually the nodes are larger than 2 cm in diameter, grow faster, are not smooth and hard in texture, and have a physical sensation and are not easily movable; 2. Hoarseness: the nodes and masses in the neck gradually grow larger and will compress the laryngeal return The nerve will cause the vocal cords to fail to close completely, causing hoarseness; 3, enlarged lymph nodes in the neck: once the tumor invades the lymphatic system, it may metastasize to the lymph in the neck, causing enlarged lymph nodes in the neck; 4, difficulty in breathing: if the thyroid mass invades or compresses the trachea, it may cause symptoms of difficulty in breathing, and if there is lung invasion, coughing and hemoptysis may occur; 5, difficulty in swallowing: if the If the thyroid lump is too large and invades the esophagus, causing narrowing of the esophagus, it may cause difficulty in swallowing; 6. Pain around the thyroid gland: The lump caused by thyroid cancer may compress the surrounding nerve tissues, causing pain in many places, such as the ear, occiput, shoulder, etc., and pain in the surrounding lymph nodes; 7. Diarrhea: Some patients with thyroid cancer may cause diarrhea due to the secretion of substances such as pentoxifylline by cancer cells. If thyroid cancer is combined with hyperthyroidism, patients may show symptoms such as excitement, difficulty in sleeping and irritability; 9. If thyroid cancer is diagnosed as early stage, surgery should be performed in time to remove it. If there is residual or extensive lymphatic metastasis after surgery, extensive postoperative radiotherapy is needed to reduce the local recurrence rate. After surgery, it is also necessary to adjust the diet, control the intake of iodine, avoid spicy and stimulating food, and eat more protein and vitamin-rich food. Thyroxine medication should be taken according to the doctor’s prescription for a long time, and private medication change and discontinuation are prohibited.