Enlarged spleen can hang up hematology, infectious diseases, hepatology or gastroenterology, hepatobiliary surgery and other departments. 1. Hematology: If the enlarged spleen is accompanied by recurrent fever, pallor and other symptoms, it may be caused by hematologic diseases, such as chronic hemolytic anemia, acute leukemia, primary thrombocythemia, etc., and you need to consult the hematology department. 2. Infectious diseases: when splenomegaly is accompanied by pain in the splenic region of the left side of the abdomen, fever, history of contact with infected areas, etc., which may be caused by infectious diseases, such as chronic schistosomiasis, cornual tuberculosis, etc., it is necessary to consult the Department of Infectious Diseases. 3. Hepatology or Gastroenterology: If splenomegaly is accompanied by yellow urine, right upper abdominal discomfort, yellow skin, etc., it may be caused by liver disease, and should be consulted in the Department of Hepatology or Gastroenterology. 4. Hepatobiliary surgery: If surgical treatment such as splenectomy is needed, you need to go to the Department of Hepatobiliary Surgery. Patients with enlarged spleen should go to a regular hospital in time, complete the relevant examinations under the guidance of a physician, and decide on the final diagnosis and treatment department after further evaluation.