Abstract: Disclosed is a sealing cap comprising: a cover part having an opening formed therein; and a sealing part having a sealing body and a pulling part formed therein, wherein the sealing body is attached to an upper surface of the cover part and covers the opening to seal the opening, wherein the pulling part is formed at one point on an outer edge of the sealing body to extend, and folded by being bent toward an upper surface of the sealing body to thereby overlap the sealing body, wherein a mounting groove is formed at a portion of the sealing body overlapping the pulling part, and wherein, the pulling part is inserted into the mounting groove such that at least a portion of an upper surface of the pulling part is placed at a position lower than a position of a plane formed by the upper surface of the sealing body.