A sprained lymph node indicates that the lymph node has become enlarged and may become malignant. Lymph nodes are the body’s immune organs, and when they are enlarged, they are easily palpable. Lymph node enlargement is a common clinical symptom, mostly palpable after bacterial, fungal and other infections that cause an inflammatory response. Tumors, reactive hyperplasia, etc. can also lead to lymph node enlargement. Therefore, enlarged lymph nodes, there is a possibility of malignant changes. If lymph node enlargement is caused by inflammatory stimulation, reactive hyperplasia, etc., it is a benign disease and will not lead to malignant changes after pinching. This kind of enlarged lymph nodes can have pressure pain when touching, generally soft texture, smooth surface, no adhesion, the enlarged lymph nodes can subside, and the symptoms of pain can also be relieved. Enlarged lymph nodes may also be caused by lymph node metastasis of malignant lymphoma. At this time, the enlarged lymph nodes themselves are the tissues that have been malignant. Patients with enlarged lymph nodes should consult the doctor in time, complete the relevant examinations, be judged by the doctor, and carry out targeted treatment if necessary.