Mild anemia refers to hemoglobin of 90-120 g/L. Mild anemia is usually a symptom caused by other diseases and should be treated best by actively searching for the cause under the guidance of a doctor and treating it for the cause. If there is a lack of hematopoietic material, the required substances, such as iron, folic acid and vitamin B12, can be supplemented to achieve good results. Mild anemia causes also include heavy menstruation and gastrointestinal bleeding of the patient. By eradicating the causes for these diseases, the anemia can be corrected. In case of renal anemia, supplementation with erythropoietin. In case of hemolytic anemia, autoimmune hemolysis, hormones can be given to achieve good results.