To study the advantages and disadvantages of Neovas BRS and DCB in interventional treatment of de novo lesions in STEMI patients, in order to better guide the clinical.~To explore the safety of Neovas BRS in interventional treatment of ide novo lesions in STEMI patients.~To explore the safety of DCB in interventional treatment of de novo lesions in STEMI patients.
a prospective, single center, observational clinical trail. Aim to to compare the efficacy and safety of the Bioabsorbable scaffold (BRS) Neovas BRS and Drug-coating balloon (DCB) in the treatment of STEMI patients with coronary artery disease and to further evaluate the safety and effectiveness of the two new interventional methods in STEMI intervention, so as to better guide clinical practice.