Blood rt test, which means blood routine test. Blood test is also called blood routine test, English translation is blood-routine-test, blood is blood, routine is routine, test is check. rt is the abbreviation of routine.test. Blood has plasma and blood cells. Plasma is liquid and blood cells are suspended in the plasma. Blood tests only examine blood cells, not plasma. Blood cells include white blood cells, red blood cells and platelets. Routine blood tests the number of red blood cells, the amount of hemoglobin (hemoglobin), and other parameters such as red blood cell pressure, red blood cell volume size, average hemoglobin content and concentration; the total number of white blood cells, the five types of white blood cells including neutrophils, eosinophils, basophils, lymphocytes and monocytes, their respective numbers and percentages in white blood cells; and the number of platelets, etc. Therefore, blood count is also called blood cell analysis, or complete blood count.