Blood crp test, i.e. blood C-reactive protein test, is a kind of inflammation indicator, which is used to respond to the type of inflammation, the severity of inflammation, and can also be used to identify certain diseases, assess the severity of the disease and so on. 1. As an indicator of inflammation: when a patient is infected by bacteria, blood crp and white blood cells may show a significant increase; however, in patients who are infected by viruses, blood crp is usually not elevated. A significant increase in blood crp (>100mg/L) often suggests the presence of a serious bacterial infection. 2. Identify certain diseases: blood crp can be used to identify pneumonia and bronchitis, lower and upper urinary tract infections. 3. Evaluate the severity of the disease: blood crp test can be used to evaluate the severity of acute pancreatitis, blood crp>250mg/L suggests necrotizing pancreatitis. 4. Blood crp test can also be used to determine the rejection reaction after organ transplantation, the activity of rheumatic immune system diseases and Kawasaki disease. 5. Evaluate the severity of cardiovascular disease: when there is acute myocardial infarction and other tissue damage diseases, peripheral blood crp index will be significantly elevated. Warm tips: blood crp examination is not only a kind of inflammation indicator, but also has a variety of significance. When the patient examination found blood crp abnormality, should actively carry out the next step in the examination, clear cause of the disease in the doctor’s guidance under the treatment.