Background and objective: Osteoarthritis of the knee is a prevalent condition that significantly impacts the quality of life for affected individuals.Traditional approaches to its management have often involved conservative measures, such as physiotherapy and analgesic medications. However, as the understanding of knee osteoarthritis has evolved, so has the focus on innovative interventions aimed at providing effective relief and preserving joint function. PROXIMAL FIBULAR OSTEOTOMY(PFO) is an alternative treatment to HIGH TIBILA OSTEOTOMY(HTO).It is a surgical repair OA knee. PFO has several advantage over HTO. It is simple, easy, less expensive and requires very short incision leads to limited tissue dissection and no internal fixation is implanted. The post operative recovery period is also shorter than HTO also the complications are lesser than HTO.PFO can relieve the symptoms of KOA along with pain along with realignment of bone. Aiming To asses Short term functional outcome Analysis of proximal Fibular osteotomy along with arthroscopic partial meniscal debridement in management of early osteoarthritis of knee. Materials and Methods: 30 selected patients diagnosed radiologically with early-stage knee osteoarthritis (Kellgren-Lawrence grade I or II).With presenting symptomatic osteoarthritis, including pain, swelling, and functional limitations.Arthroscopy and proximal fibular osteotomy performed with the follow up of 3, 6, 12 months post operatively to asses Pain intensity (VAS). - Functional outcomes (KOOS or WOMAC). - Range of motion measurements.