Abstract: Objective To analyze the neurosurgical work in the medical service of "Operation Harmony -2010" , and find out categories of neurosurgical diseases and treatment delivered to the countries during the Operation. Methods A retrospective analysis was made on the patients and neurosurgery delivered at various service points (Djibouti City in Djibouti, Mombasa in Kenya, Dallas Salam in Tanzania, Victoria in Seychelles and Chittagong in Bangladesh) , in the medical service during "Mission Harmony -2010". Results Five hundred and thirty-five cases of neurosurgical out - patients were treated and neurosurgical procedures were performed in 6 cases. Conclusions Neurosurgical techniques and neurosurgical specialists were badly short of in these cities, and neurosurgical operations delivered were considered to be very important in the medical service in the five countries.