Patients with severe pancreatitis usually need more than 1 month to recover, and some patients even need more than 3 months to recover. Severe pancreatitis is a very serious disease with an acute onset, poor prognosis and high mortality rate. This is because severe pancreatitis affects the function of multiple organs such as respiratory, digestive, urinary and circulatory organs, and is very tricky to treat, so the treatment time will be longer, needing at least 1 month or more, and at least 3 months for the most critical patients. Patients with severe pancreatitis can be treated by removing the cause of the disease, rapidly expanding the capacity of the body and maintaining the function of the gastrointestinal tract, as well as monitoring blood pressure, respiration, heart rate and urine output. If the patient has any discomfort, go to the hospital in time, do not be careless, so as not to delay the treatment.