Internal drainage of pancreatic pseudocysts usually requires about 1 week of hospitalization. Because pancreatic pseudocysts are treated with internal drainage, it usually takes about 2 to 4 weeks for the pancreatic pseudocysts to be gradually eliminated. Patients can be discharged from the hospital one week after the operation if the cysts are found to be significantly smaller and there is no obvious discomfort, and they can go home for observation and regular checkups. During the period of drainage, patients need to pay attention to whether the drainage tube is smooth, pay attention to the color of the drainage fluid and drainage flow every day, pay attention to the care of the drainage tube to prevent the drainage tube from coming out. Pancreatic pseudocysts are small in size, usually there is no clinical, often found by chance during abdominal ultrasound or abdominal CT examination, when the size of pancreatic pseudocysts become bigger, they will have compression effect on the surrounding tissues and organs, which will be manifested as severe pain in the epigastric region, abdominal distension, nausea and vomiting, and loss of appetite, and need to be treated with cystic drainage. Patients should report any discomfort to the doctor after discharge from the hospital, and should not be careless so as not to delay the treatment.