A light emitting device, comprising: a light emitting element; a first resin mold body having a substantially rectangular solid shape, having, in a clockwise order in plan view, a first external side surface, a second external side surface, a third external side surface, and a fourth external side surface, provided with a concave portion having a circular shape or ellipsoidal shape in plan view at a center of the first resin mold body, and made of a first thermosetting resin; a plurality of lead frames (20, 30) disposed under the first resin mold body such that the plurality of lead frames and a bottom portion of the first resin mold body compose a bottom surface of the concave portion and the plurality of lead frames are electrically connected to the light emitting element, the bottom portion of the first resin mold body occupying a gap between the plurality of lead frames; and a second resin mold body made of a second thermosetting resin filled in the concave portion, wherein the light emitting element is placed on one of the plurality of lead frames (20, 30) and a surface of the second resin mold body serves as a light emitting surface, characterized in that a gate remain, which is formed by cutting off a gate to be formed on the first external side surface of the first resin mold body when the first thermosetting resin is injected into a predetermined die, is formed on an extended line of a first normal line (m) at a first point of a circular cross section or ellipsoidal cross section of the concave portion toward a direction of the first normal line (m), a weld line is formed in the first resin mold body on an extended line of a second normal line at a second point of the circular cross section or ellipsoidal cross section of the concave portion, the second point being substantially point-symmetric to the first point with respect to the center of the concave portion, and the bottom portion of the first resin mold body has a connecting portion that connects a first portion of the first resin mold body located between the first external side surface and the concave portion and a third portion of the first resin mold body located between the third external side surface and the concave portion, the connecting portion extending in the gap between the plurality of lead frames in a direction substantially perpendicular to the first external side surface. a light emitting element; a first resin mold body having a substantially rectangular solid shape, having, in a clockwise order in plan view, a first external side surface, a second external side surface, a third external side surface, and a fourth external side surface, provided with a concave portion having a circular shape or ellipsoidal shape in plan view at a center of the first resin mold body, and made of a first thermosetting resin; a plurality of lead frames (20, 30) disposed under the first resin mold body such that the plurality of lead frames and a bottom portion of the first resin mold body compose a bottom surface of the concave portion and the plurality of lead frames are electrically connected to the light emitting element, the bottom portion of the first resin mold body occupying a gap between the plurality of lead frames; and a second resin mold body made of a second thermosetting resin filled in the concave portion, wherein the light emitting element is placed on one of the plurality of lead frames (20, 30) and a surface of the second resin mold body serves as a light emitting surface, characterized in that a gate remain, which is formed by cutting off a gate to be formed on the first external side surface of the first resin mold body when the first thermosetting resin is injected into a predetermined die, is formed on an extended line of a first normal line (m) at a first point of a circular cross section or ellipsoidal cross section of the concave portion toward a direction of the first normal line (m), a weld line is formed in the first resin mold body on an extended line of a second normal line at a second point of the circular cross section or ellipsoidal cross section of the concave portion, the second point being substantially point-symmetric to the first point with respect to the center of the concave portion, and the bottom portion of the first resin mold body has a connecting portion that connects a first portion of the first resin mold body located between the first external side surface and the concave portion and a third portion of the first resin mold body located between the third external side surface and the concave portion, the connecting portion extending in the gap between the plurality of lead frames in a direction substantially perpendicular to the first external side surface.