Common causes of anemia include abnormalities of hematopoietic cells, such as aplastic anemia, myelodysplastic syndrome, acute leukemia, etc., lack of hematopoietic materials, such as megaloblastic anemia, iron deficiency anemia, etc., hemolytic anemia and blood loss anemia. The hazards of long-term anemia in women, analyzed according to different systems, are as follows: 1. Nervous system: manifested as dizziness, dizziness, darkness, weakness, lethargy, drowsiness in patients; 2. Respiratory system: difficulty in breathing, shortness of breath, especially after activities, and obvious wheezing; 3. Circulatory system: leading to palpitations, panic, and increased heart rate in patients, especially after activities, which are more obvious, and also It can also lead to changes in the structure and function of the heart, anemic heart disease, and then heart failure; 4. Digestive system: it can lead to a series of digestive system manifestations such as indigestion and decreased appetite; 5. Endocrine system: it can cause disorders of endocrine hormone metabolism in women, including estrogen, and thus endocrine metabolic disorder syndrome can occur. Long-term anemia can cause multi-system damage, so timely treatment is needed.