Inguinal lymph nodes, is a normal physiological phenomenon. If inguinal lymph node enlargement occurs, you can go to the general surgery department, infection department, hematology department of the hospital for examination. 1. General Surgery: General Surgery is a relatively large department that can treat neck disorders, breast disorders, vascular disorders, abdominal wall disorders, liver, gallbladder, and pancreatic disorders. Infections occurring in the above points may spread to the groin, resulting in enlarged lymph nodes, which can be seen in the general surgery department of the hospital. 2. Infectious diseases: Lymph node tuberculosis or lymphadenitis in the groin may lead to enlarged lymph nodes, which can be examined in the infectious diseases department of the hospital, and treated regularly according to the doctor’s opinion. 3. Hematology: lymphoma belongs to diseases of blood system, if lymphoma causes swollen lymph nodes in groin, you can go to hematology department of hospital for examination. 4. Oncology: many kinds of malignant tumors have lymphatic transfer to inguinal lymph nodes, resulting in enlargement. For example, cervical cancer, rectal cancer, prostate cancer and so on. This can also be consulted in oncology department. To summarize, there are many factors related to the swelling of inguinal lymph nodes, and it is recommended to go to the hospital to clarify the cause.