How to eat for lung cancer patients? 1. When lung cancer patients have no difficulty in swallowing, they should choose food freely. Without affecting the treatment, they should eat more food rich in protein and carbohydrates to improve the quality of diet and create good conditions for surgery. If the nutritional status is poor, it is difficult to endure the trauma of surgery, slow healing after surgery, easy to infection, and unfavorable to surgical recovery. 2, the requirements of the diet contains a variety of essential nutrients. When enough calories are supplied, protein nutrition can be supplemented to promote muscle protein synthesis, and branched-chain amino acids can also provide more calories when the supply of calories is insufficient. There are many kinds of elemental diets, when applied, start from a low concentration, if taken orally should pay attention to slow drinking, due to the elements of the diet for the hypertonic liquid, cited too quickly prone to diarrhea and vomiting.