Introduction: Cavernous hemangioma accounts for 0.6% of bladder tumors. We present a rare case Case Presentation: A 3-year-old girl presented with intravaginal swelling, dysuria, and hematuria. She received 26 cycles of VAC for embryonal rhabdomyosarcoma. Histopathology confirmed CH. Conclusion: CH should be considered in the differentials of childhood genitourinary masses.