It was suggested that SAH, IL-1β, Hcy, TNF-α, BDNF were positively correlated with the number of coronary artery stenosis vessels(r = 0.421, 0.533, 0.301, 0.265, 0.678, P = 0.016、0.009、0.023、0.036、0.004). Here, BDNF is linked to Arterial stenosis.