The saying that three kinds of things cannot be eaten for pancreatic cancer is not accurate, pancreatic cancer does have dietary contraindications, but it is not limited to three kinds of things. Generally speaking, the foods that are not suitable for cardia cancer patients to eat include the following categories. 1. Foods that have been marinated for too long or overnight, which are easy to produce carcinogenic substances and induce the development of pancreatic cancer, so they are not suitable to eat. 2. Too greasy or baked food, which is easy to cause gastric mucous membrane damage and aggravate the burden of gastrointestinal tract. 3. Spicy and stimulating foods, such as foods with too high temperature, too spicy and high sugar content, are also easy to cause gastric mucous membrane damage. 4. Foods that are too dry, hard or rough are likely to cause gastric mucositis or gastric hemorrhage.