We report a case of 13-year-old boy with grouwh failure following allogeneic bone marrow transplantation which was performed at the age of 6 for acute lymphoblastic leukemia. The patient had been preconditioned with total body irradiation,. Growth failure was observed in height and body weight, and growth hormone (GH) deficiency was confirmed by the endocrinological studies. The patient was successfully treated by replacement therapy with recombinant GH without recurrence of leukemia, the duration of administration being short and only for 1 year and 6 months.