Anemia is a clinical manifestation, often manifested as dizziness, weakness, pallor, etc. If you suspect that you are anemic and have the above symptoms, go to the hematology department, and if accompanied by other symptoms to be combined with the history, go to the cardiology department, gastroenterology department, gynecology department and so on. 1. If accompanied by symptoms such as panic, chest tightness, shortness of breath, etc., you can go to the cardiology department. 2. If the symptoms are accompanied by loss of appetite, abdominal pain, nausea and vomiting, consult a gastroenterologist. 3. If a woman has excessive menstruation, she can go to the gynecology department. Some hospitals do not have a hematology department, so you can go to the internal medicine department. If you have any of the above symptoms or suspect anemia, it is recommended that you go to the hospital in time to clarify the cause of the disease and receive standardized treatment under the guidance of your doctor.