A switch device comprising: a operating body held in a case and made rockable; a driving body held within the case and made rockable by the operating body; and a switch element configured to be pressable by the driving body, wherein the rocking operating body is held with respect to the case by a first rotating portion as a center of rotation of the operating body with respect to the case, said first rotating portion having a first predetermined distance (L 1) from a position where the operating body is to be operated, wherein the driving body is rockably held with respect to the case by a second rotating portion as a center of rotation of the driving body with respect to the case, said second rotating portion having a second predetermined distance (L 4) from a position where the driving body is arranged to press the switch element, wherein a rocking portion, which makes the operating body and the driving body rockable relative to each other between the first rotating portion and the second rotating portion, is constituted by the operating body and the driving body, and wherein as the rocking portion, any one of the operating body and the driving body is formed with a shaft portion, and the other of the operating body and the driving body is formed with a holding portion that holds the shaft portion allowing the shaft portion to rotate and slide, and wherein the second predetermined distance (L 4) between the second rotating portion of the driving body and a position where the driving body presses the switch element is larger than a third predetermined distance (L 3) between the second rotating portion and the rocking portion. a operating body held in a case and made rockable; a driving body held within the case and made rockable by the operating body; and a switch element configured to be pressable by the driving body, wherein the rocking operating body is held with respect to the case by a first rotating portion as a center of rotation of the operating body with respect to the case, said first rotating portion having a first predetermined distance (L 1) from a position where the operating body is to be operated, wherein the driving body is rockably held with respect to the case by a second rotating portion as a center of rotation of the driving body with respect to the case, said second rotating portion having a second predetermined distance (L 4) from a position where the driving body is arranged to press the switch element, wherein a rocking portion, which makes the operating body and the driving body rockable relative to each other between the first rotating portion and the second rotating portion, is constituted by the operating body and the driving body, and wherein as the rocking portion, any one of the operating body and the driving body is formed with a shaft portion, and the other of the operating body and the driving body is formed with a holding portion that holds the shaft portion allowing the shaft portion to rotate and slide, and wherein the second predetermined distance (L 4) between the second rotating portion of the driving body and a position where the driving body presses the switch element is larger than a third predetermined distance (L 3) between the second rotating portion and the rocking portion.