Postoperative lung cancer patients can eat pork, and it is recommended to eat lean pork, not fat pork. There are not too many contraindications in diet for postoperative lung cancer patients, most of the food can be eaten, but try to avoid spicy and stimulating food. For postoperative lung cancer patients with diabetes mellitus and hypertension, they need to limit the food with high glucose, high fat and low fiber, for example, deep-fried food and animal viscera food. Moreover, in order to promote the healing of surgical incision as soon as possible and enhance the immunity of patients, it is generally recommended that patients should eat more protein and vitamin-rich foods. Lean pork belongs to the food with relatively high protein content, so it is possible for lung cancer patients to eat it after surgery. Fatty pork has high fat content, which belongs to high-fat food and is not recommended to be eaten after surgery.