Hemoglobin of 85g/L is not too severe in terms of anemia and is considered moderate. However, in terms of the disease causing the anemia, it depends on the severity of the primary disease. According to the amount of hemoglobin can be divided into several levels of anemia, if the value of hemoglobin between 90 ~ 110g / L for mild anemia, in 60 ~ 90g / L for moderate anemia, in 30 ~ 60g / L for severe anemia, 30g / L or less for the very severe anemia, so the hemoglobin in the 85g / L, for the moderate anemia, there may be dizziness, fatigue, ringing in the ears, panic chest and so on. Symptoms. The presence of hemoglobin 85g/L may be caused by bleeding disorders, hematologic disorders (iron deficiency anemia, leukemia, aplastic anemia), immune system disorders (systemic lupus erythematosus), and organ disorders (severe liver disease). If the anemia is caused by bleeding disorders, blood system disorders, immune system disorders, it is more serious; if the anemia is caused by malnutrition and functional bleeding in women, it will be improved by improving diet and active regulation, and is generally not serious. It is necessary to consult a regular hospital in time to find out the cause.