1. With contraindications of Ulinastatin Injection, 2. Pregnant or lactating women, 3. Patients taking other urinary trypsin inhibitors, 4. Not suitable to participate in the clinical trial by investigator's judgement.

1. With contraindications of Ulinastatin Injection, 2. Pregnant or lactating women, 3. Patients taking other urinary trypsin inhibitors, 4. Not suitable to participate in the clinical trial by investigator's judgement.