Hematocrit generally refers to the sedimentation rate of red blood cells. Low hematocrit represents a decrease in the sedimentation rate of erythrocytes within one hour under certain conditions. Generally speaking, low hematocrit has no major clinical significance, while increased hematocrit needs to be alerted. 1. Normal male and female hematocrit reference values are different, normal male hematocrit value is 0-15mm/h, normal female hematocrit value is 0-20mm/h. 2. Low blood sedimentation can not be used to diagnose diseases alone, only as a reference basis, in general, will not affect the health of the body, erythrocytosis, fibrinogen content of the severe lack of people, blood sedimentation can be reduced. 3. When certain diseases occur in the body will lead to increased blood sedimentation, because these diseases will lead to changes in the morphology of red blood cells, such as anemia, rheumatism, tuberculosis, chronic nephritis, cirrhosis of the liver, etc., and at this time you need to consult a doctor for further examination. 4. If patients with low blood sedimentation do not have obvious symptoms, they can adjust their personal diet, eat more food with high protein and nutrition, and also eat more fresh vegetables and fruits. Try not to eat too greasy, spicy, pickled food, avoid smoking and drinking, develop good living habits, pay attention to rest, and participate in some exercise to enhance personal resistance.