A light emitting device (40; 50) comprising: a substrate including a base and a pair of connection terminals (43; 53) at least on a first main surface of the base of the substrate, a light emitting element connected to the connection terminals (43; 53) on the first main surface of the base of the substrate by a molten material, a light reflecting member on the first main surface of the base of the substrate covering the light emitting element, the connection terminals (43; 53) on the first main surface of the base of the substrate each including a protruding portion (43a; 53a) configured to project from a first main surface of the connection terminal (43; 53) on the first main surface of the base of the substrate at a region which is connected to the light emitting element and an outer connection portion configured to connect to an external unit of the light emitting device (40; 50), the protruding portions (43a; 53a) and the molten material being embedded in the light reflecting member, and the outer connection portions not being embedded in the light reflecting member, and insulating members on the first main surface of the base of the substrate disposed to cover at least a portion of the connection terminals (43; 53) on the first main surface of the base of the substrate between the protruding portions (43a; 53a) and the outer connection portions, characterized in that: the insulating members are further disposed to be partly embedded in the light reflecting member, and entire edge portions of the protruding portions (43a; 53a) are separated from edge portions of the connection terminals (43; 53) on the first main surface of the base of the substrate and disposed on an inner side of the connection terminals (43; 53) on the first main surface of the base of the substrate. a substrate including a base and a pair of connection terminals (43; 53) at least on a first main surface of the base of the substrate, a light emitting element connected to the connection terminals (43; 53) on the first main surface of the base of the substrate by a molten material, a light reflecting member on the first main surface of the base of the substrate covering the light emitting element, the connection terminals (43; 53) on the first main surface of the base of the substrate each including a protruding portion (43a; 53a) configured to project from a first main surface of the connection terminal (43; 53) on the first main surface of the base of the substrate at a region which is connected to the light emitting element and an outer connection portion configured to connect to an external unit of the light emitting device (40; 50), the protruding portions (43a; 53a) and the molten material being embedded in the light reflecting member, and the outer connection portions not being embedded in the light reflecting member, and insulating members on the first main surface of the base of the substrate disposed to cover at least a portion of the connection terminals (43; 53) on the first main surface of the base of the substrate between the protruding portions (43a; 53a) and the outer connection portions, characterized in that: the insulating members are further disposed to be partly embedded in the light reflecting member, and entire edge portions of the protruding portions (43a; 53a) are separated from edge portions of the connection terminals (43; 53) on the first main surface of the base of the substrate and disposed on an inner side of the connection terminals (43; 53) on the first main surface of the base of the substrate.