rth-weight infants increases, NEC remains a critical eminent problem. 3[4] The pathogenesis of NEC is unknown, but is widely considered as a multi-factorial disease; prematurity, enteral feeding, intestinal hypoxia-ischemia, and bacterial colonization are considered major risk factors. [4] Researches showed that proinflammatory cytokines, such as interleukin-1.6.8. (IL-1, IL-6, IL-8) and tumor nec