If the swelling of lymph nodes on the right side of the neck is considered to be caused by infection, consult the department of infection; lymphoma, need to consult hematology; metastasis of malignant tumors, consult the department of oncology; leukemia, consult the department of hematology; immune system disorders, consult the department of rheumatology and immunology, and so on. 1. Lymph node infection: including bacterial, viral, tuberculosis mycobacteria and other infections, caused by enlarged lymph nodes, can be consulted in the Department of Infectious Diseases. 2. Lymphoma: including Hodgkin’s lymphoma and non-Hodgkin’s lymphoma, which are multiple and painless lymph node enlargement, all need to consult hematology department. 3. Metastasis of malignant tumors: for example, thyroid cancer, lung tumors metastasized to the lymph nodes in the neck, you can consult the Department of Oncology. 4. Leukemia: it can also cause enlarged lymph nodes and requires consultation with hematology. 5. Immune system diseases: such as lupus erythematosus, dry syndrome, etc., need to consult the rheumatology and immunology department. There are many reasons for lymph node enlargement, it is recommended to consult a doctor in time and standardize the treatment under the guidance of a professional doctor, so as to avoid delaying the condition.