Objective:To observe the clinical effect of pantoprazole sodium freeze dried powder injection in the treatment of upper gastrointestinal bleeding.Methods:100 cases with hemorrhage of upper digestive tract were selected accordance with the principle of volunteer.They were randomly divided into the observation group and the control group with 50 cases in each.The two groups were given conventional treatment of blood transfusion,fluid infusion after admission,and combined with effective clinical nursing interv...