A lighting apparatus, comprising: a body having a first mounting part, second mounting parts, a first coupling part and second coupling parts; a light source unit provided on the first mounting part of the body; a shock absorption assembly disposed on each of the second mounting parts provided on respective opposite ends of the body; a first fastening member coupled to the first coupling part of the body to fasten the light source unit to the body; a second fastening member coupled to each of the second coupling part of the body to fasten the corresponding shock absorption assembly to the body; and mounting means provided or the second mounting parts for fastening the body to an installation target, wherein the shock absorption assembly comprises: a connector having a fastening part; and a shock absorption member interposed between the connector and the second fastening member, wherein, in the shock absorption assembly the connector has a first flange for removal prevention, the first flange being provided around the fastening part, and the shock absorption member comprises: an insert part covering an exposure surface of the connector and having a through hole corresponding to the fastening part of the connector; and a second flange provided around the insert part, a second receiving depression receiving the first flange therein, and wherein the second fastening member has: an exposure hole through which the insert part of the shock absorption member is exposed out of the second fastening member; and a removal prevention protrusion provided around an inner surface of the exposure hole such that the second flange is caught by the removal prevention protrusion, wherein a first female or male positioning member is provided on an exposure surface in an area inside the first flange of the connector, the shock absorption member comprises a second female or male positioning member coupled to the first female or male positioning member, and the body comprises: a heat dissipation part including a plurality of heat dissipation fins so that a heat dissipation area of a rear surface of the body is increased, wherein stop protrusions are respectively provided on opposite ends of a front surface of the second mounting parts of the body, with a seating recess formed in a rear surface of each of the stop protrusions, and the second fastening member comprises a seating protrusion coupled to the corresponding seating recess. a body having a first mounting part, second mounting parts, a first coupling part and second coupling parts; a light source unit provided on the first mounting part of the body; a shock absorption assembly disposed on each of the second mounting parts provided on respective opposite ends of the body; a first fastening member coupled to the first coupling part of the body to fasten the light source unit to the body; a second fastening member coupled to each of the second coupling part of the body to fasten the corresponding shock absorption assembly to the body; and mounting means provided or the second mounting parts for fastening the body to an installation target, wherein the shock absorption assembly comprises: a connector having a fastening part; and a shock absorption member interposed between the connector and the second fastening member, a connector having a fastening part; and a shock absorption member interposed between the connector and the second fastening member, wherein, in the shock absorption assembly the connector has a first flange for removal prevention, the first flange being provided around the fastening part, and the shock absorption member comprises: an insert part covering an exposure surface of the connector and having a through hole corresponding to the fastening part of the connector; and a second flange provided around the insert part, a second receiving depression receiving the first flange therein, and an insert part covering an exposure surface of the connector and having a through hole corresponding to the fastening part of the connector; and a second flange provided around the insert part, a second receiving depression receiving the first flange therein, and wherein the second fastening member has: an exposure hole through which the insert part of the shock absorption member is exposed out of the second fastening member; and a removal prevention protrusion provided around an inner surface of the exposure hole such that the second flange is caught by the removal prevention protrusion, an exposure hole through which the insert part of the shock absorption member is exposed out of the second fastening member; and a removal prevention protrusion provided around an inner surface of the exposure hole such that the second flange is caught by the removal prevention protrusion, wherein a first female or male positioning member is provided on an exposure surface in an area inside the first flange of the connector, the shock absorption member comprises a second female or male positioning member coupled to the first female or male positioning member, and the body comprises: a heat dissipation part including a plurality of heat dissipation fins so that a heat dissipation area of a rear surface of the body is increased, wherein stop protrusions are respectively provided on opposite ends of a front surface of the second mounting parts of the body, with a seating recess formed in a rear surface of each of the stop protrusions, and the second fastening member comprises a seating protrusion coupled to the corresponding seating recess.