This invention discloses an oxygen sideblown copper smelting furnace, incl. furnace hearth, shaft, charging hole, slag tap, discharge outlet and waste heat utilization unit. The furnace shaft consists of multilayer water jackets, on the side wall of upper and lower layer jackets are installed the top tuyere and bottom tuyere respectively. The structure of the oxygen sideblown copper smelting furnace is improved to ensure more stable operation, energysaving and longer service life.