cent year, it has become increasing evident that endotoxin (lipopolysaccharide, LPS), an integral part of the cell wall of Gram-negative bacteria, plays a key role in ethanol-induced liver injury. Ethanol consumption caused elevation of endotoxin pass through the intestinal wall into the portal blood and enters to the liver. These endotoxins stimulate Kupffer cell to produce ROS and pro-inflammatory cytokines such as TNF-