The main symptom of enlarged lymph nodes in the neck is a palpable lump in the neck with pain, and the enlarged lymph nodes can cause pressure on the surrounding tissues. Enlarged lymph nodes in the neck can be categorized into physiological, inflammatory and metastatic conditions. Physiologic enlarged lymph nodes are slow growing and will stop or recover when enlarged to a certain extent, with smooth surface and good mobility, and do not need treatment. Inflammatory enlarged lymph nodes, also known as lymphadenitis, are usually caused by infections in the throat, face, etc. The pain is obvious when pressed, and the enlarged lymph nodes will return to normal after the inflammation subsides. Cervical lymph node tuberculosis is rare. In addition to enlarged lymph nodes in the neck, it is often accompanied by low-grade fever, fatigue, emaciation, night sweats (abnormal sweating after sleeping, but sweating stops after waking up) and other manifestations of tuberculosis toxicity. Metastatic enlarged lymph nodes, mostly seen in lymphatic metastasis of malignant tumors, are characterized by fast growth, hard texture, poor mobility, and will not subside automatically. Hazards of enlarged lymph nodes in the neck: with the enlargement of lymph nodes, it will cause symptoms of compression of the tissues around the lymph nodes, such as compression of adjacent blood vessels, causing blood return obstruction, varicose blood vessels, compression of peripheral nerve tissues, causing hoarseness of voice and other discomforts. If you find enlarged lymph nodes in the neck, you should consult a doctor in time and perform ultrasound examination if necessary.