The difference between cough in leukemia and general cough is the difference in pathogenesis, treatment options, and prognosis. 1. Pathogenesis: Leukemia cough is caused by the decreased immunity of leukemia patients, resulting in cough caused by lung infection. The general cough is caused by lung infection or organic lesions, such as pneumonia, asthma and so on. 2. Treatment plan: cough caused by leukemia should be anti-inflammatory cough at the same time, active treatment for leukemia, such as chemotherapy, etc., taking anti-infective drugs should follow the doctor’s instructions; while the general cough for the pathogens, or other pathologies for treatment, such as pneumonia taking antibiotics, and asthma using salbutamol and other drugs for treatment. 3. Prognosis: leukemia cough is easy to relapse, so we should actively treat the primary disease and improve immunity; while the general cough can achieve satisfactory results after drug treatment, usually not easy to relapse. It is recommended that patients should seek medical treatment in time to clarify the cause of the cough, so that the doctor can make a specific treatment plan. The above drugs should be used under the guidance of a doctor.