The results of routine blood tests suggest that the quality control is qualified to show that the results of routine blood tests are accurate, which can provide a true and reliable basis for the diagnosis and treatment of diseases; the purpose of quality control is to reduce the error of the test, ensure reliable results, and monitor the homeostasis of the monitoring system. Laboratory through the daily quality control work can circumvent human error, get stable, accurate and real test data, the goal of quality control is to each time the quality control value is close to the average value, the selection of quality control products for quality control, at least once a day. The test results are plotted on the quality control chart, if there is a loss of control can not be carried out sample testing, re-quality control after passing or recalibration of the instrument after maintenance and inspection to restart sample testing. The blood test is only the most basic test, the specific conditions need to be further examined in the outpatient clinic to determine.