This endoscope ventilation control valve is provided with: a shaft body having a pin fixing part, to which one end section of a cam pin provided on the outer peripheral surface is fixed, and a longitudinal shaft provided with ventilation holes, the longitudinal shaft having a long hole, a ventilation opening provided on the outer peripheral surface, and a long hole communication hole that passes through the inside of the long hole; a tubular member in which are arranged a shaft body hole for accommodating the shaft body so that the shaft body can rotate around an axis and move in the axial direction, and a cam groove that is arranged such that the other end section of the cam pin can slide on the outer periphery; a rotary member in which are arranged a tubular member hole in which the tubular member is arranged so as to be rotatable around the axis thereof, a long, thin cam pin groove that communicates with the outside and with the tubular member hole in which the other end section of the cam pin outwardly protruding from the cam groove is arranged, and a plurality of engagement holes provided at predetermined positions in the other end surface; and a tubular accommodation member provided with an attachment part fixedly provided in a through hole that communicates with the outside and with the inner space of a case constituting the endoscope, a plurality of protrusion parts protruding from a peripheral end section of the attachment part, and an accommodation hole having, on the bottom surface thereof, a bottom surface opening of the through hole that passes through the inner space.L'invention concerne une soupape de commande de ventilation d'endoscope comprenant : un corps d'arbre ayant une partie fixation de broche, à laquelle une section extrémité d'une broche de came disposée sur la surface périphérique externe est fixée, et un arbre longitudinal pourvu de trous de ventilation, l'arbre longitudinal ayant un trou long, une ouverture de ventilation disposée sur la