In 2018, Nguyen Thi Hong Hue conducted a study on the value of hs-CRP, hs-cTnT and NT-proBNP in the short-term prognosis of acute myocardial infarction patients, in this study the author only prognoses cardiac events within 30 days and evaluated in patients with acute myocardial infarction. However, to date, there have been no studies concurrently evaluating the prognostic significance within 6 months of the concentration of 3 biomarkers hs-Troponin T, NT - proBNP, and hs-CRP in patients with non-ST elevation myocardial infarction, so we conducted a study: The study about the value change and prognosis of hs-Troponin T, NT-proBNP and hs-CRP in the patients with non-ST-segment elevation myocardial infarction has been percutaneous coronary intervention in the first time with the following objectives: 1.