Depending on the specific cause of the swollen lymph nodes in the neck, patients need to consult different departments: 1. If the swollen lymph nodes in the neck are caused by malignant tumors in the esophagus, patients need to consult the thoracic surgery department, and the specific location of the primary lesion can be clarified through gastroscopy or local enhanced CT examination. 2.If lymph nodes in the neck are enlarged due to lymphoma, patients should consult the oncology department, and most of the patients with lymphoma can get better treatment effect through active chemotherapy. 3.Inflammatory enlargement of local lymph nodes can also be caused by sebaceous cysts in the neck combined with infection, which can be accompanied by obvious swelling and pain, so patients can consult the general surgery department, and apply local topical creams such as golden ointment, vigorous iodine and oral amoxicillin. Gauze and oral amoxicillin can improve the local inflammatory lesions and achieve better results.