A light emitting device package comprising: a lead frame which comprises a first frame and a second frame disposed on both sides of the first frame respectively; a light emitting device disposed on the first frame and electrically connected to the second frame, and including a light emitting chip and a sub mount on which the light emitting chip is disposed; and a resin body which comprises a first resin body which is disposed between the first frame and the second frame, and a second resin body which covers an outer surface of the lead frame, wherein an end of the first frame and an end of the second frame are disposed on an outer surface of the second resin body; wherein the first resin body comprises a top surface and a bottom surface, wherein a bottom surface of the first resin body comprises a straight portion and a curved portion, and the width of the straight portion is larger than that of a top surface of the first resin body, wherein the width of the curved portion is larger than the width of the straight portion, and wherein the curved portion and the straight portion are inserted into an opening between the first frame and the second frame, wherein the second resin body comprises a recess and a concave portion formed on a first side surface and a second side surface thereof, the first side surface being arranged opposite to the second side surface with respect to the second resin body, wherein the reflector is inserted and fixed into the recess, wherein the first frame of the lead frame comprises a first main terminal formed on a bottom surface of the resin body and a first auxiliary terminal formed on a side of the resin body, wherein the second frame of the lead frame comprises a second main terminal formed on the bottom surface and a second auxiliary terminal formed on the side, wherein the first auxiliary terminal and the second auxiliary terminal are exposed to a third side surface of the resin body, the third side surface arranged between the first side surface and the second side surface, and wherein the first auxiliary terminal and the second auxiliary terminal are not exposed to the first and second side surfaces of the resin body. a lead frame which comprises a first frame and a second frame disposed on both sides of the first frame respectively; a light emitting device disposed on the first frame and electrically connected to the second frame, and including a light emitting chip and a sub mount on which the light emitting chip is disposed; and a resin body which comprises a first resin body which is disposed between the first frame and the second frame, and a second resin body which covers an outer surface of the lead frame, wherein an end of the first frame and an end of the second frame are disposed on an outer surface of the second resin body; wherein the first resin body comprises a top surface and a bottom surface, wherein a bottom surface of the first resin body comprises a straight portion and a curved portion, and the width of the straight portion is larger than that of a top surface of the first resin body, wherein the width of the curved portion is larger than the width of the straight portion, and wherein the curved portion and the straight portion are inserted into an opening between the first frame and the second frame, wherein the second resin body comprises a recess and a concave portion formed on a first side surface and a second side surface thereof, the first side surface being arranged opposite to the second side surface with respect to the second resin body, wherein the reflector is inserted and fixed into the recess, wherein the first frame of the lead frame comprises a first main terminal formed on a bottom surface of the resin body and a first auxiliary terminal formed on a side of the resin body, wherein the second frame of the lead frame comprises a second main terminal formed on the bottom surface and a second auxiliary terminal formed on the side, wherein the first auxiliary terminal and the second auxiliary terminal are exposed to a third side surface of the resin body, the third side surface arranged between the first side surface and the second side surface, and wherein the first auxiliary terminal and the second auxiliary terminal are not exposed to the first and second side surfaces of the resin body.