Patients are in recovery period, poor and weak after esophageal cancer cardia surgery, including within six months after discharge from hospital. It is very easy to have cold. How to avoid prevention? First of all, we should strengthen nutrition, not to be partial to food, and have a balanced diet. Lean meat, eggs, mushroom ingredients, vegetables, fruits, all can be consumed. A strong body can enhance the ability to resist diseases. Second, pay attention to keep warm and avoid getting cold. Get enough sleep every day and stop smoking and drinking. Maintain good living habits. Third, maintain an optimistic attitude towards life, exercise moderately, with no strain and no strenuous exercise. Fourthly, during the flu season, avoid gathering in populated places and maintain proper ventilation indoors to strive to maintain a healthy body.