Heavy bleeding during chemotherapy for lung cancer may be caused by deterioration of condition, infection and so on, and it is necessary to take hemostatic, anti-infection and anti-cancer treatment in time. 1. Hemostatic treatment, massive bleeding will cause patients to die of hemorrhagic shock, therefore, it is necessary to use drugs such as Anluo blood and Yunnan Baiyao to stop bleeding at the first time, and if the effect is not good, it is also necessary to stop bleeding through intervention and surgery. 2. Anti-infection, chemotherapy will lead to the patients’ resistance to reduce, thus appearing infection bleeding, this time also need to use antibiotic drugs for anti-infection treatment, such as amoxicillin, piperacillin, ceftriaxone, cefepime and so on. 3. Anti-cancer treatment, if the disease continues to deteriorate, it is necessary to strengthen the anti-cancer treatment, radiotherapy, chemotherapy, targeted therapy and other comprehensive treatment.