Objective:To observe the effects of Sijunzi decoction on gastric mucosal injury induced by indomethacin in rats,and to explore the mechanism of Sijunzi decoction in preventing and treating gastric mucosal injury from the perspective of polyamines and its regulation in the tight junction and adhesion junction proteins expressing.Methods:Rats were injected subcutaneously with indomethacin(40 mg/kg)and killed after 7 h.The scores of the gastric mucosa damage in each groups were calculated in general.Histologic...