Objective:To investigate the relevance of ATP-binding cassette transporter 1 gene 219 single nucleotide polymorphism with premature coronary heart disease incidence.Methods: Using the method of Sequenom Nanodispenser chip technology and Matrix Assisted Laser Desorption Ionization Time-of-flight Mass Spectrometry to genotype on two batch of experimental group.The first batch of 4 group were divided into blood stasis syndrome group and 80patients with premature coronary heart disease、 premature coronary heart disease and 20 cases of non bloo...