Esophageal cancer is a malignant tumor of the esophagus, mostly squamous carcinoma, and advanced esophageal cancer is not contagious. Esophageal cancer is the most common upper gastrointestinal tumor, and the main pathological subtype is squamous carcinoma, which accounts for more than 90% of esophageal cancer. Esophageal cancer is the primary malignant lesion of esophageal epithelium, which is caused by the malignant transformation of esophageal mucosa epithelium after years of repeated stimulation by carcinogenic factors, such as frequent enjoyment of spicy and hot food. Esophageal scale is not contagious in either early or late stage, and will not be transmitted through the patient’s blood, saliva, secretions and so on. Therefore, there is no need to deliberately isolate from patients to avoid creating a sense of abandonment, which may negatively affect the subsequent treatment. In addition to dietary habits, the occurrence of esophageal cancer is also related to living habits, emotions, primary diseases of esophagus, etc. Moreover, esophageal cancer has a certain hereditary nature, so patients need to pay attention to it.