Postoperative care of pancreaticoduodenectomy is mainly the following: 1. diet, after the surgery, you cannot eat and drink for a short time, when the condition is stable, you can take appropriate oral porridge and clear soup to promote the peristalsis of gastrointestinal function; 2. if you have a drainage tube on your body, you need to protect the tube as much as possible to prevent the tube from dislodging, and you also need to observe the amount and color of the fluid drawn from the drainage tube to provide better help for If the patient is able to eat normally, he can take in fresh fruits and green vegetables and low-fat high quality protein, such as fresh fish and shrimp, to promote the recovery of the body. Other precautions can be taken by consulting with the attending physician.