To provide an operation button device and an electronic endoscope of an electronic endoscope capable of withdrawing an operation button (pressing operation button) and preventing malfunction caused thereby.An operation button device provided on an outer shell portion of an electronic endoscope includes a pressing operation button capable of applying a pressing force in a longitudinal direction, a lateral direction and an oblique direction with respect to the outer shell portion, An interlocking pushing member for pushing the electric switch in conjunction with the pushing operation force applied to the pushing operation button, and a stopper member located at the outer periphery of the interlocking pushing member, wherein the pushing operation button is pressed Wherein the pressing operation button abuts on the stopper member when an operating force is applied and the pressing operation button and the interlocking pushing member are displaced.(FIG.【課題】操作ボタン(押圧操作ボタン)の離脱とこれに起因する作動不良を防止することができる電子内視鏡の操作ボタン装置及び電子内視鏡を提供する。【解決手段】電子内視鏡の外殻部に設けられる操作ボタン装置であって、前記外殻部に対する縦方向と横方向と斜め方向の押圧操作力を加えることが可能な押圧操作ボタンと、前記押圧操作ボタンに加えられた前記押圧操作力に連動して電気スイッチを押し込む連動押込部材と、前記連動押込部材の外囲に位置するストッパ部材と、を有し、前記押圧操作ボタンに前記押圧操作力が加えられて、前記押圧操作ボタンと前記連動押込部材が変位したとき、前記押圧操作ボタンが前記ストッパ部材に当接する、ことを特徴とする電子内視鏡の操作ボタン装置。【選択図】図4