A lighting apparatus comprising: a heat sink (110, 210) comprising a plurality of first heat dissipation fins (120, 222) provided in a circumferential direction thereof and a plurality of second heat dissipation fins (130, 232) provided between adjacent twos of the first heat dissipation fins (120, 222); a light emitting module (140, 240) disposed in the heat sink (110, 210); a first reflective member (150, 250) provided at the heat sink such that the first reflective member is disposed in the heat sink (110, 210), the first reflective member (150, 250) extending in a side direction of the light emitting module (140, 240); characterized in that the first reflective member (150, 250) is formed in a hemispherical shape and has a sectional area which increases with increasing distance from the light emitting module (140, 240); a second reflective member (160, 260) to reflect light emitted from the light emitting module (140, 240) to the first reflective member (150, 250); a connection member (180, 280) to space the second reflective member (160, 260) from the light emitting module (140, 240) by a predetermined distance; and an electronic module (170, 270) to supply power to the light emitting module (140, 240), wherein the second reflective member (160, 260) has a greater diameter than the light emitting module (140, 240), the first reflective member (150, 250) is provided with a plurality of heat dissipation holes, the respective heat dissipation holes communicate with spaces defined between adjacent ones of the first heat dissipation fins (120, 222), and the external air flows through the heat dissipation holes, spaces defined between the adjacent twos of the first heat dissipation fins (120, 222), the spaces defined between the first heat dissipation fins (120, 222) and the second heat dissipation fins (130, 232), and spaces defined between the adjacent twos of the second heat dissipation fins (130, 232). a heat sink (110, 210) comprising a plurality of first heat dissipation fins (120, 222) provided in a circumferential direction thereof and a plurality of second heat dissipation fins (130, 232) provided between adjacent twos of the first heat dissipation fins (120, 222); a light emitting module (140, 240) disposed in the heat sink (110, 210); a first reflective member (150, 250) provided at the heat sink such that the first reflective member is disposed in the heat sink (110, 210), the first reflective member (150, 250) extending in a side direction of the light emitting module (140, 240); characterized in that the first reflective member (150, 250) is formed in a hemispherical shape and has a sectional area which increases with increasing distance from the light emitting module (140, 240); a second reflective member (160, 260) to reflect light emitted from the light emitting module (140, 240) to the first reflective member (150, 250); a connection member (180, 280) to space the second reflective member (160, 260) from the light emitting module (140, 240) by a predetermined distance; and an electronic module (170, 270) to supply power to the light emitting module (140, 240), wherein the second reflective member (160, 260) has a greater diameter than the light emitting module (140, 240), the first reflective member (150, 250) is provided with a plurality of heat dissipation holes, the respective heat dissipation holes communicate with spaces defined between adjacent ones of the first heat dissipation fins (120, 222), and the external air flows through the heat dissipation holes, spaces defined between the adjacent twos of the first heat dissipation fins (120, 222), the spaces defined between the first heat dissipation fins (120, 222) and the second heat dissipation fins (130, 232), and spaces defined between the adjacent twos of the second heat dissipation fins (130, 232).