A mobile terminal comprising: a terminal body; a window disposed at one surface of the terminal body; a first frame (101, 201, 301, 401, 501, 601) having a space for mounting one or more components, the first frame having a first cavity (101c, 201c, 301c, 401c, 501c, 601c); a display configured to output visual information through the window, the display being located at the first cavity; a battery (190, 290, 390, 490, 590, 690, 790) configured to supply power to the terminal body, the battery being located at the first cavity (101c, 201c, 301c, 401c, 501c, 601c); and a separation sheet (104, 204, 304, 504, 504, 604) coupled to the first frame (101, 201, 301, 401, 501, 601) to separate a first region of the terminal body where the display is located from a second region of the terminal body where the battery (190, 290, 390, 490, 590, 690, 790) is located, wherein a periphery of the separation sheet (104, 204, 304, 504, 504, 604) contacts the bottom of the first cavity (101c, 201c, 301c, 401c, 501c, 601c), and wherein the first frame (101, 201, 301, 401, 501, 601) includes: a first mounting portion recessed from one surface of the first frame (101, 201, 301, 401, 501, 601) to provide a space for mounting the window; and a second mounting portion (101b, 201b, 301b, 401b, 501b, 601b) formed on a rear surface of the first mounting portion to provide a space for mounting the separation sheet (104, 204, 304, 504, 504, 604), and wherein the separation sheet (104, 204, 304, 504, 504, 604) includes: a coupling portion (304d, 404d) coupled to the first frame (101, 201, 301, 401, 501, 601) to cover the second mounting portion (101b, 201b, 301b, 401b, 501b, 601b); and a protrusion portion (304e, 404e) enclosed by the coupling portion (304d, 404d), the protrusion portion (304e, 404e) protruding towards the first region, and wherein the protrusion portion (304e, 404e) is disposed to be accommodated between virtual planes of the first and second mounting portions. a terminal body; a window disposed at one surface of the terminal body; a first frame (101, 201, 301, 401, 501, 601) having a space for mounting one or more components, the first frame having a first cavity (101c, 201c, 301c, 401c, 501c, 601c); a display configured to output visual information through the window, the display being located at the first cavity; a battery (190, 290, 390, 490, 590, 690, 790) configured to supply power to the terminal body, the battery being located at the first cavity (101c, 201c, 301c, 401c, 501c, 601c); and a separation sheet (104, 204, 304, 504, 504, 604) coupled to the first frame (101, 201, 301, 401, 501, 601) to separate a first region of the terminal body where the display is located from a second region of the terminal body where the battery (190, 290, 390, 490, 590, 690, 790) is located, wherein a periphery of the separation sheet (104, 204, 304, 504, 504, 604) contacts the bottom of the first cavity (101c, 201c, 301c, 401c, 501c, 601c), and wherein the first frame (101, 201, 301, 401, 501, 601) includes: a first mounting portion recessed from one surface of the first frame (101, 201, 301, 401, 501, 601) to provide a space for mounting the window; and a second mounting portion (101b, 201b, 301b, 401b, 501b, 601b) formed on a rear surface of the first mounting portion to provide a space for mounting the separation sheet (104, 204, 304, 504, 504, 604), and a first mounting portion recessed from one surface of the first frame (101, 201, 301, 401, 501, 601) to provide a space for mounting the window; and a second mounting portion (101b, 201b, 301b, 401b, 501b, 601b) formed on a rear surface of the first mounting portion to provide a space for mounting the separation sheet (104, 204, 304, 504, 504, 604), and wherein the separation sheet (104, 204, 304, 504, 504, 604) includes: a coupling portion (304d, 404d) coupled to the first frame (101, 201, 301, 401, 501, 601) to cover the second mounting portion (101b, 201b, 301b, 401b, 501b, 601b); and a protrusion portion (304e, 404e) enclosed by the coupling portion (304d, 404d), the protrusion portion (304e, 404e) protruding towards the first region, and a coupling portion (304d, 404d) coupled to the first frame (101, 201, 301, 401, 501, 601) to cover the second mounting portion (101b, 201b, 301b, 401b, 501b, 601b); and a protrusion portion (304e, 404e) enclosed by the coupling portion (304d, 404d), the protrusion portion (304e, 404e) protruding towards the first region, and wherein the protrusion portion (304e, 404e) is disposed to be accommodated between virtual planes of the first and second mounting portions.