Blood routine is currently a basic routine clinical test, which has an important significance and role in screening and diagnosis of certain diseases. In general, for a routine blood test in a tertiary care hospital, the overall cost of this simple test, including the cost of blood collection and the cost of the test, is about$20-30. There are some differences from hospital to hospital depending on the instrument. However, compared to other tests, the cost of routine blood test is the most inexpensive and meaningful routine test. In addition, when having a routine blood test, try to avoid eating greasy, high-protein foods or even drinking alcohol the day before the blood is drawn, as these can interfere with some of the cell differentiation ratios and hemoglobin values in the routine blood test. Therefore, in order to do a very accurate and regular blood test, you must prepare well in advance, avoid eating some spicy and stimulating food, and it is best to take blood in the morning on an empty stomach to get the most accurate and effective blood test results.