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Pediatric femoral neck fracture is rare and account for less than 1% of all fractures in childhood. The proximal femur in children is extremely strong, and high-energy forces in 80-90%, following the axial force associated with hip rotation or direct blow are necessary to cause fracture. In this report, the method of femoral neck fracture fixation in eight-year-old girl after car accident is reported. During the operation, we noted a severe femoral neck fracture that was irreparable with the available tools (pin, screw, plate and DHS), which inevitably had to be used by Transosseous method with fiber wire #2, used in proximal humeral fracture fixation. Then, we obtained a fairly satisfactory result with a distal femoral pin inserting it into two-sided spica cast. Although, this kind of fracture is rare, but with a qualified clinical examination, early diagnosis, proper treatment, familiarity with surgical techniques and fixation reduces the complications and this method can be effective in obtaining the desired result.