It is a reality for many people to talk about cancer, many esophageal cancer patients often choose to receive radiotherapy, but it is also a double-edged sword, while radiation therapy kills cancer cells, side effects are also inevitable, such as: 1. fatigue: the human body uses a lot of energy to recover itself, and the daily round trip treatment and the effect of radiation on normal cells will lead to fatigue. 2. skin reaction: esophageal cancer patients’ skin often becomes dry after radiotherapy. After radiotherapy, the skin often becomes dry. 3. Blood changes: The radiation will kill white blood cells or platelets, if the patient’s white blood cell count drops severely during radiotherapy, he can take leukostatic drugs to increase the white blood cell count and fight against infection, and in serious cases, he needs to suspend radiotherapy. 4. Diet and digestive problems: Affecting appetite may lead to adverse reactions such as loss of appetite, anorexia, nausea and vomiting.