Inclusion Criteria:  Intra-abdominal pressure≥12mmHg Age ≥18 years old Obtain informed consent.  Exclusion Criteria:  Pregnancy pancreatitis Patients who have undergone percutaneous puncture or surgical drainage before admission, and have undergone surgical decompression due to early abdominal hypertension Patients with a history of chronic organ dysfunction (such as uremia, COPD, liver cirrhosis, heart failure, etc.) Those who refuse to participate in the research