Apolipoprotein B (ApoB) can be detected in LDL, very low-density lipoprotein (VLDL), chylomicron and lipoprotein(a)s in plasma and leads to the risk of peripheral artery disease and coronary artery disease by depositing in the arterial wall throughout the whole process of atherosclerosis [9,15]. The gene discussed is APOB; the disease is coronary artery disorder.