Esophageal cancer is a malignant tumor, and malignant tumors are not contagious, not only through saliva, but actually through any means. Esophageal cancer is a digestive tract disease, and there are many things that patients need to pay attention to in their life. The occurrence of esophageal cancer is related to living habits and lifestyle, such as liking to eat too hot meals and eating too fast, because these bad eating habits will damage the mucous membrane of esophagus, and tumor will appear if repeatedly damaged and repaired. Therefore, after suffering from esophageal cancer, patients should actually pay close attention to their diet and should eat less and more meals, and must not eat too much. If you eat too much, it will produce some pressure on the thoracic organs, which may lead to increased chance of reflux. In addition, patients should chew and swallow slowly. After surgery, the esophagogastric anastomosis is scar healing, so there is no tension, if eating a large amount of food, it will often block to the anastomosis and cause obstruction, and patients should avoid eating too hot food, but should choose easily digestible food.