Objective:To discuss effect of different extraction parts of galangal on experimental gastric ulcer.Methods:Different parts of galangal were extracted and separated.Gastric ulcer in mice was induced by ethanol and aspirin.The effect of different extraction parts of galangal on gastric ulcer index,stomach tissue pathological slices,plasma gastrin-releasing(GAS),interleukin 1(IL-1)and cyclooxygenase 2(COX-2),tumor necrosis factor(TNF alpha),prostaglandin E2(PGE2)were observed.Results:Compared with model group...