It is okay to check the blood routine a few days after chemotherapy. The patient’s body may experience frequent nausea, vomiting or diarrhea after chemotherapy. If you need to do routine blood tests, you need to wait 5-7 days or longer. Because patients generally about a week after chemotherapy white blood cells, platelets, etc. appeared to decrease, if immediately do routine blood tests, may have an impact on the results of blood routine. Chemotherapy in the routine blood test, but also with the body’s condition to choose, if necessary, you can consult a professional doctor, combined with the body’s condition, under the advice of the doctor to choose the appropriate time to check the routine blood, so as to ensure that the routine blood test can also be timely detection of the body’s platelets and white blood cells whether there is a decline in the phenomenon.