In general, the examination items of blood drawn for physical examination are: i. Routine blood test, through routine blood test, can understand the number of white blood cells, the number of red blood cells, the number of platelets in the peripheral blood is within the normal range, but also can understand the type, number and ratio of five types of white blood cells is within the normal range, while observing whether these patients have anemia, whether the number of platelets is abnormal The situation. Second, routine tests, including liver function, kidney function and blood lipid examination are collectively called biochemical examination, through biochemical examination can understand whether the human body’s transaminase concentration is within the normal range, if the transaminase concentration is increased, commonly due to liver cell damage, various viral hepatitis, drug-related hepatitis, fatty liver, etc.; can also check whether the urea nitrogen creatinine is within the normal range, if the urea nitrogen creatinine is increased, commonly due to renal hypofunction. It can also check whether the blood glucose is within the normal range, if the blood glucose is increased, it is common in diabetes; the blood lipid test can also understand whether triglycerides, fat, cholesterol is within the normal range.