The hard lump inside the neck is usually considered the following: 1. lymph node disease, such as lymphadenitis, often accompanied by local redness, swelling and pain, can be treated with antibiotics; lymph node tuberculosis, mostly painless lymph node enlargement, multiple, no tenderness, may be accompanied by low fever, night sweats, weakness and other discomfort, puncture biopsy can confirm the diagnosis, the need for the whole standard combined use of anti-tuberculosis drug treatment; lymphoma or The lymph node metastasis in the neck of malignant tumor is usually manifested as multiple painless lymph nodes enlargement, or even fusion into a hard mass with unclear boundary and relatively fixed, and the patient may have symptoms of the primary tumor, which may be accompanied by wasting, anemia and other systemic manifestations, often suggesting a poor prognosis. 2. Diseases of the thyroid gland, including nodular goiter, thyroid adenoma, thyroid cyst, thyroid cancer, etc., are manifested as a large lump in one side of the neck. The first of these is to make sure that the patient has a good understanding of the situation.