The College of Science at the University of Basrah organized a seminar entitled (Chemotherapy in Leukemic Patients) by the graduate student Huda Abud Alkarem Shalal The study aims Definition of leukemia, its types, common symptoms and causes, statement of the side effects associated with this dangerous disease on the body, and how to treat this disease with chemotherapy, and an indication of the effect of chemotherapy on cancer cells and on the body that causes ulcers, high temperature, neutropenia, and other bacterial and fungal infections that may lead to Patients die of this type of cancer .