Provided is a portable terminal wherein reduction of an antenna gain can be suitably suppressed. The portable terminal is provided with a circuit section (33), which is arranged on an operating section side case section (2) or a display section side case section (3), and has a ground section (31), a power feed section (32) and a signal processing section (38) connected to the power feed section (32); a first conductive section (34) arranged on the operating section side case section (2); a second conductive section (35) arranged on the display side case section (3); a selection section (36) configured to select a first state, wherein the first conductive section (34) and the ground section (31) are electrically connected and the second conductive section (35) and the power feed section (32) are electrically connected, or a second state, wherein the first conductive section (34) and the power feed section (32) are electrically connected and the second conductive section (35) and the ground section (31) are electrically connected; and a control section (37) which controls the selection of the first state or the second state performed by the selection section (36).