An endoscope according to the present invention comprises: a tubular insertion portion 2 to be inserted into a living body; and a treatment tool channel formed inside the insertion portion 2, the treatment tool channel being configured to guide a treatment tool 51 by passing the treatment tool 51 through the treatment tool channel, wherein the endoscope comprises: a treatment tool driver 7 for allowing a forward movement and/or a backward movement of the treatment tool 51 in the treatment tool channel; and a drive controller 8 for controlling the forward movement and/or the backward movement of the treatment tool 51 by the treatment driver 7.