The starting dosage of recombinant human erythropoietin injection is 100-150 IU/kg of body weight per week, and the blood count should be reviewed once a month. If the increase in hemoglobin is between 10-20 g/L, the dosage can be maintained; if it is below 10 g/L, the dosage should be increased by 25% on top of the original dosage; if it exceeds 20 g/L, the dosage should be reduced by 25%. Recombinant human erythropoietin injection is mainly for the treatment of renal anemia, the progressive development of renal disease into renal failure, especially into the uremic phase of the kidney to produce less erythropoietin will cause renal anemia, in order to correct anemia need to apply erythropoietin, clinically more commonly used is recombinant human erythropoietin injection. It should be noted that the initial dosage should not be too much and the adjustment process should wait for a sufficient time, that is, one month, to avoid excessive dosage, because it is likely to cause an increase in blood pressure and blood viscosity.