Background. Both-bone diaphyseal forearm fractures constitute up to 5.4% of all fractures in children under 16 years of age in the United Kingdom. Most can be managed with closed reduction and cast immobilisation. Surgical fixation options include flexible intramedullary nailing and plating. However, the optimal method is controversial. Objectives. The main purpose of this study was to systematically search for and critically appraise articles comparing functional outcomes, radiographic outcomes and complications of nailing and plating for both-bone diaphyseal forearm fractures in children. Methods. A literature search of MEDLINE (PubMed), EMBASE and Cochrane library databases using specific search terms and limits was undertaken. The critical appraisal checklist (adapted from Critical Appraisal Skills Programme-CASP, Oxford; Guyatt et al) for an article on treatment was used to aid assessment. Results. All 7 studies identified were retrospective, comparative and non-randomized. They all included patients with similar baseline characteristics. There were no statistically significant differences in group outcomes for range of forearm movement, time to fracture union and complication rates. Less operative time and better cosmesis was noted in the IM nailing groups. Some studies showed post-operative radial bow was significantly abnormal in the IM nailing groups, but did not affect forearm movement. Conclusion. Based on similar functional and radiographic outcomes, nailing seems to be a safe and effective option when compared to plating for forearm fractures in children. However, critical appraisal of the studies in this review identified some methodological deficiencies and further prospective, randomized trials are recommended