Abstract:Background: Femoral neck fractures are rare in children. This type of fracture usually originates from high energy traumas. This fracture has serious complications and one of the most disabling one is avascular necrosis. The goal of this research is active follow up of patients in order to decide about the rate of late complications, patient `s function after surgery and residual pain. Methods: In this five year study 35 patients were evaluated and different parameters studied. These parameters included: age, sex, side of fracture, mechanis of injury, type of reduction, rate and type of complication followed surgery. Results: In general, femoral neck fractures are more common between 16 and 20.It is two fold common in females than males and it was more common in left side. The most common mechanisms was falling. Treatment methods were open reduction in 88 % and close reduction in 12%.The most common type of fractures was type3. Following treatment, 60% of patients remained uncomplicated and 40% had complication. In fact limitation in internal and external rotation in 20 to 30 degree was the most common complication. 30% of patients complained of mild pain during walking. Conclusion: After appropriate treatment most patients with femoral neck fracture have no complications, however in some cases a vascular necrosis occurs as a serious complication. This study will provide clues and information to design studies with more patients to assess how different treatment methods have impact on outcomes of patients.