Anemia generally does not cause purpura, anemia is mainly manifested as pale skin and mucous membranes, dizziness, fatigue, lack of appetite, oliguria and other symptoms, different types of anemia can have special typical symptoms. Different types of anemia can have special typical symptoms, such as iron deficiency anemia, megaloblastic anemia, hemolytic anemia and so on. 1. Iron deficiency anemia: it is easy to have special manifestations such as angular stomatitis, lingual stomatitis, xenophagia, etc. The nails may be anti-nail or spoon-shaped nail. 2. Megaloblastic anemia: lack of appetite, part of the tongue in the form of beef tongue, numbness of the extremities, ataxia, etc. may occur. 3. Hemolytic anemia: acute intravascular hemolysis may be accompanied by chills, fever, etc., and strong tea-colored urine or soy sauce-colored urine may appear. Chronic hemolysis is characterized by yellow staining of the skin and splenomegaly. Purpura is mainly coagulation dysfunction or platelet deficiency, because blood overflows under the skin and mucous membrane, petechiae and ecchymosis appear, and the color does not fade when pressed, often accompanied by epistaxis, epistaxis, etc. It is mostly seen in thrombocytopenic purpura and anaphylactic purpura. Prolonged bleeding can lead to the development of anemia. It is necessary to go to the hematology department of the hospital for treatment.