Esophageal cancer is not contagious. Esophageal cancer mainly originates from the malignant transformation of esophageal epithelial squamous cells. For the whole process of squamous cell malignant transformation, on one hand, it is mainly due to the stimulation of hot and cold, which can easily make the cell malignant transformation, for example, people who love hot tea and noodles are prone to esophageal cancer. For example, people who love hot tea and noodles are prone to esophageal cancer. In addition, eating coarse food often will stimulate the malignant transformation of the esophagus. Another most important thing is drinking and smoking, which can also cause malignant changes of esophageal cells due to the external stimulation of alcohol. Smoking may affect the lungs, but in fact, the whole process of smoking has a great impact on the whole digestive tract, including the esophagus and the stomach, which can also lead to esophageal cancer. For this kind of tumor caused by external habit, it is not caused by specific virus or bacteria, so it is not a disease that can be transmitted. Of course, it may have family aggregation, because the eating habits of each family, parents and children may be the same, so there may be a certain genetic tendency and family aggregation.