It is usually not clear how many stages of cancer are treated with chemotherapy for four times, and it is mainly based on the pathological results of patients. Chemotherapy is a relatively common anti-tumor treatment method, and its duration depends on the stage of the tumor and the patient’s tolerance. If the patient has undergone four chemotherapy sessions and the doctor recommends to stop at this time, it means that the patient’s condition is not very serious and the cancer cells have not yet spread and may be in the early or middle stage of cancer. In addition, if it is preoperative neoadjuvant chemotherapy, 4-8 courses of chemotherapy may be needed to shrink the tumor and reduce the stage, which is beneficial for further surgery later. In contrast, advanced palliative chemotherapy is not tolerated by some patients, and only 2-4 courses of chemotherapy are available. Therefore, four chemotherapy sessions only represent the number of chemotherapy sessions, and cannot determine the stage of cancer. During chemotherapy, it is recommended that patients pay attention to regulating their body, and also pay attention to maintaining an optimistic and positive mood, which is conducive to controlling the disease and prolonging the survival period.