To provide a light emitting element package capable of improving a heat radiation characteristic of generated thermal energy.

The light emitting element includes a package body, a light emitting element mounted in a cavity of the package body, an enclosing layer for enclosing the light emitting element, and electrodes connected to the light emitting element, wherein the package body is formed of a substance having relatively-small thermal conductivity relative to a substance constituting the enclosing layer.