Disclosed are an endsurgical operating device and an endoscopic device comprising same. The endosurgical operating device of the present invention comprises: an operating tube installed in the insertion part of the endoscope that is to be inserted into the body; an operating plate which is inserted and installed in the operating tube and which has at least one needle having a pointed tip; a drive unit for driving the operating plate such that a plurality of needles protrude from the end of the operating tube and are inserted into the internal tissue or endothelial surface; and a power supply unit electrically connected to the plurality of needles. According to the present invention, an endothelial adsorption means for adsorbing the epithelial layer of the endothelium is provided to enable the plurality of needles to easily reach the lower tissue of the epithelial layer, thus maximizing the effects of treating the endothelium using the plurality of needles.