The study examined the impact of a prehabilitation program on patients undergoing hematopoietic stem cell transplantation. Prehabilitation is an intervention program designed to improve the physical and mental condition of a patient before surgery or complex medical treatment. The aim was to determine whether patient preparation before transplantation through a specialized program improves clinical outcomes. The study was conducted under the direction of Sara AbdelKader. The research focuses on behavioral interventions as part of a comprehensive approach to treatment. Hematopoietic stem cell transplantation is a serious medical procedure used in the treatment of hematologic malignancies and other serious diseases.