An endoscopic treatment tool set, comprising: an endoscopic treatment tool that includes a sheath in which a lumen extending from a distal end to a proximal end of the sheath is formed, an elongated shaft which is inserted into the lumen , the elongated shaft being configured to protrude and retract from the distal end of the sheath , and the elongated shaft including an insertion passage therein, a stylet which is disposed in the insertion passage to be movable relative to the elongated shaft , an implant which includes a proximal end portion connected to a distal end of the stylet in the insertion passage , and a manipulation part which is provided at a proximal end side of the sheath ; characterized in that : the endoscopic treatment tool set further includes a jig that is configured to be connected to a proximal end portion of the stylet , the endoscopic treatment tool is packed together with the jig in a state in which the proximal end portion of the implant is located inside the insertion passage and a distal end portion of the implant is exposed from the elongated shaft , the jig is coupled to the proximal end portion of the stylet disposed in the manipulation part and the jig is configured to be movable relative to the manipulation part , the implant is connected to the jig via the stylet , and the implant is configured such that when the jig is pulled toward a proximal end side of the manipulation part , the stylet is moved to a proximal end side in the insertion passage and the implant is loaded in the insertion passage . a sheath in which a lumen extending from a distal end to a proximal end of the sheath is formed, an elongated shaft which is inserted into the lumen , the elongated shaft being configured to protrude and retract from the distal end of the sheath , and the elongated shaft including an insertion passage therein, a stylet which is disposed in the insertion passage to be movable relative to the elongated shaft , an implant which includes a proximal end portion connected to a distal end of the stylet in the insertion passage , and a manipulation part which is provided at a proximal end side of the sheath ; characterized in that : the endoscopic treatment tool set further includes a jig that is configured to be connected to a proximal end portion of the stylet , the endoscopic treatment tool is packed together with the jig in a state in which the proximal end portion of the implant is located inside the insertion passage and a distal end portion of the implant is exposed from the elongated shaft , the jig is coupled to the proximal end portion of the stylet disposed in the manipulation part and the jig is configured to be movable relative to the manipulation part , the implant is connected to the jig via the stylet , and the implant is configured such that when the jig is pulled toward a proximal end side of the manipulation part , the stylet is moved to a proximal end side in the insertion passage and the implant is loaded in the insertion passage . the endoscopic treatment tool set further includes a jig that is configured to be connected to a proximal end portion of the stylet , the endoscopic treatment tool is packed together with the jig in a state in which the proximal end portion of the implant is located inside the insertion passage and a distal end portion of the implant is exposed from the elongated shaft , the jig is coupled to the proximal end portion of the stylet disposed in the manipulation part and the jig is configured to be movable relative to the manipulation part , the implant is connected to the jig via the stylet , and the implant is configured such that when the jig is pulled toward a proximal end side of the manipulation part , the stylet is moved to a proximal end side in the insertion passage and the implant is loaded in the insertion passage . <EOS>