Disclosed is a mobile terminal comprising: a case for mounting electronic components therein; a light source located within the case, for laterally emitting light; and a light guide unit in which light emitted from the light source is incident on the lateral side, wherein the light guide unit comprises a base module and a reflective film, which is coated on the outer side of the base module and includes a first opening formed on the side facing the light source and a second opening formed in the direction of the front side, wherein the case includes a light transmission unit in a portion facing the second opening of the reflective film and wherein the reflective film encloses the lateral side of the mobile terminal so that even the lateral leakage of light can be blocked.