(1) Enterocolitis is one of the rare but potentially fatal manifestations of gold toxicity.

(2) Necrotizing enterocolitis affects about 5 percent to 10 percent of extremely premature babies.

(3) This may predispose to an increased risk of intracranial haemorrhage, necrotising enterocolitis, hypoxia and acidosis.

(4) Objective To investigate the relationship between invasion of necrotizing enterocolitis and it's relative factors.

(5) Experts still don know the exact causes of necrotizing enterocolitis.

(6) Objective Studies the comprehensive measures for preventing premature infant necrotizing enterocolitis.

(7) Objective : To explore the risk factors of neonatal necrotizing enterocolitis.