A mobile terminal comprises: a metallic frame; a first cover and a second cover coupled to a front surface and a rear surface of the metallic frame, respectively; and a first waterproof layer and a second waterproof layer formed between the first cover and the metallic frame, and between the second cover and the metallic frame, respectively, wherein the metallic frame includes: a base portion configured to support a display unit formed on the front surface of the metallic frame; and an edge portion formed along an outer periphery of the base portion so as to radiate heat generated from the base portion, and exposed to outside of the mobile terminal between the first cover and the second cover.