If you only do blood routine test, all hospital outpatient doctors can give you this test. Because blood routine test is one of the most basic laboratory tests in clinic. The items of blood routine examination include the number of red blood cells, white blood cells, hemoglobin and platelets. Blood routine examination is used to determine anemia, and its criteria are different at home and abroad. Through blood routine examination, you can know your hemoglobin value, white blood cell value, and whether there is potential infection. Through the platelet value, you can know your blood coagulation mechanism, and whether there are blood system and immune system diseases. The examination of red blood cell volume and fragility is helpful to find the carriers of thalassemia. At the same time, you can also check the blood type. If the wife is type O and the husband is type A, B or AB, there is a possibility of fetal hemolysis, which should be avoided in time.