1. Sanjiu Weitai has significant therapeutic and preventive effects on all kinds of experimental gastritis lesions, and has significant hemostasis and anti-ulcer effect. 2. Sanjiu Weitai can regulate gastrointestinal dysfunction and restore it to normal. Therefore, it has active therapeutic and preventive effect on gastrointestinal dysfunction caused by mental tension. 3. Sanjiuweitai can promote the metabolism of gastric protein synthesis and inhibit and absorb pepsin, so it is beneficial to the repair of gastric ulcer wound. 4. Sanjiuweitai can significantly promote the synthesis of thymus nucleoprotein, thymus RNA and spleen RNA, so it has the effect of enhancing immune function and immune regulation, which is conducive to the rehabilitation of chronic gastritis.