Difficulty in swallowing is a prominent symptom of esophageal cancer and a serious problem in the diet of esophageal cancer patients. During the radiation treatment, attention should be paid to the nutrition of patients, and the following points should be noted: 1. Make a good meal plan, and calculate the daily needs of patients for four basic food groups, such as grain, meat, dairy, vegetables and fruits, according to the daily nutrition supply recommended by the Chinese Nutrition Society. 2.Little and many meals, the daily needs of the above four types of basic food according to the principle of little and many meals, reasonable distribution to each meal, so that the patient can eat at any time when he wants to eat. 3, pay attention to the patient’s eating habits, try to pay attention to the color, aroma, taste and shape of food, so that the patient can eat delicious food at each meal, encourage the patient to increase the amount of food at each meal, to ensure that the food is light and easy to digest. 4, take care of the patient’s hobbies, each meal food selection should try to take care of the patient’s hobbies, the four types of basic food patients love to eat reasonable distribution to each meal, but pay attention to prevent partial food. 5, radiation therapy is likely to cause dry throat, sternal pain and other symptoms, it is appropriate to use nutritious and cool nourishing food, such as pear juice, milk, silver fungus, bitter melon, rape, etc. 6.Esophageal cancer patients who rely on semi-liquid or liquid diet should pay special attention to avoid cold food, such as iced water, iced sour plum soup, iced mung bean soup, and overly cold edible water, tea and sugar water, because the esophagus of esophageal cancer patients is narrow and sensitive to the stimulation of cold food, and cold food can stimulate esophageal spasm and cause nausea, vomiting, pain and fullness.