- Inclusion criteria: selected patients aged 18-80 years of intervention in patients. Baseline characteristics of the patients with screening and recorded by a case by coronary artery angiography of each coronary bifurcation lesions according to the Medina classification method to classify, only select the 1.1.1 type, type 1.0.1 or 0.1.1 type III lesions, a total of 80, respectively, of the type of bifurcation lesions, the random number method lesions were divided into according to the ratio of 1:3 established traditional surgical PCI group 20 lesions and a new operative method for 60 lesions group and interventional therapy. All patients who were involved in the treatment before treatment (sign) or their family members agreed to and signed informed consent. All patients were pre evaluated for long-term oral aspirin (100 mg/, once daily) and clopidogrel (75 mg/ times a day) for at least 1 years