Possible causes of neck lumps include goiter, cervical tuberculosis, cervical lymphoma, metastatic tumor in the neck, and tuberculosis of cervical lymph nodes. 1. Goiter: Goiter may be simple or caused by hyperthyroidism. In addition, thyroid cancer can also cause goiter. 2. Cervical spine tuberculosis: cervical spine tuberculosis refers to the invasion of tuberculosis bacillus into cervical vertebrae and paravertebral soft tissues, which can cause destruction of cervical vertebral body, narrowing of intervertebral space, and formation of cold abscesses. When cold abscess is formed in the paraspinal region, a mass can be detected in the neck. 3. Cervical lymphoma: lymphoma, especially Hodgkin’s lymphoma, occurs in the neck or supraclavicular lymph nodes, and patients will realize that there is a painless swelling in the neck with progressive enlargement, accompanied by other symptoms such as low fever, emaciation, itching and so on. 4. Neck metastatic tumor: the neck is rich in lymphatic tissue, so it is a part of many malignant tumors easy to metastasize, for example, gastrointestinal malignant tumors are easy to metastasize to the left subclavian lymph node, and neck lymph node metastasis can also occur in lung cancer, breast cancer, thyroid cancer and so on. 5. Tuberculosis of cervical lymph nodes: Tuberculosis of cervical lymph nodes is often caused by the infection of tuberculosis bacillus through tonsils, and the patients can have unilateral or bilateral enlargement of cervical lymph nodes, which is hard and painless to touch. In later stages, the lymph nodes may fuse with each other to form a mass. In addition to the above diseases, neck lumps can also be caused by acute and chronic lymphadenitis, thyroglossal cysts, fibroma and other diseases, it is recommended that patients go to the hospital as soon as possible, to clarify the nature of the lumps, to be targeted treatment.