Highly sensitive C-reactive protein (CRP) is an important acute-phase response protein in humans, and its elevation has been associated with coronary artery disease and active inflammation. 1.Coronary heart disease: CRP is a predictor of acute coronary syndromes.CRP concentration is significantly higher in patients with acute ischemia and myocardial infarction, and it may promote thrombosis and atherosclerosis. Therefore, if the serum CRP is found to be very high in the clinic, great attention should be paid in order to prevent the occurrence of unexpected events. 2. Inflammatory activity: elevated CRP can reflect the inflammation in the body is in acute activity, such as acute inflammatory diseases in the infectious stage, malignant tumors deterioration or metastasis, rheumatoid arthritis is in the active stage, as well as burn patients with burns, the area of the burns, the depth and the degree of aggravation, and so on. Please go to the regular hospital for examination, examination found abnormal, please consult the doctor in time, active treatment, so as not to delay the condition.