Traction apophysitis of medial malleolus is very rare and presented in view of its rarity. A 13 years old boy presented with pain and swelling without history of trauma around left ankle of 3 months duration. The swelling was diffuse with tenderness on anterior aspect of medial malleolus. The overlying skin was normal. The X-rays revealed fragmented accessory ossification centre of medial malleolus an left side. MRI revealed multiple foci of hypointensity in T1 and T2 weighted images of left medial malleolus apophysis. Patient was treated in below knee plaster for three weeks with restriction of sports activities for 5 weeks. The patient became asymptomatic in 8 weeks.