To provide a tea bag having a raw material charging port through which the raw materials can be easily put in and out, and a method for easily manufacturing the tea bag.SOLUTION: A method for manufacturing a tea bag comprising at least first ... n-th n filters (n is an integer of 2 or more) and having a raw material charging port, comprises: a superposition arrangement step in which first ... nth filters are stacked in that order, and the edges of the (m minus 1) -th filter are arranged so as to overlap with the surface of the m-th filter (m is the integer of 2 or greater and n or less)； and an outline setting molding step in which the outer shape of the tea bag is set to a predetermined shape including the (m minus 1) -th overlapping region and the (m minus 1) -th non-overlapping region for molding.SELECTED DRAWING: Figure 1【課題】原料の出し入れが容易な原料投入口を有するティーバッグ、及び当該ティーバッグを容易に製造する方法を提供する。【解決手段】少なくとも第１・・・第ｎのｎ枚のフィルターを備え（ｎは２以上の整数）、原料投入口を有するティーバッグの製造方法であって、第１・・・第ｎフィルターをその順序で重ね、かつ、第（ｍ－１）フィルターの縁の少なくとも一部分が、第ｍフィルターの面と重なるように、重ねて配置する（ｍは２以上ｎ以下の整数）重畳配置工程と、ティーバッグの外形を、第（ｍ－１）重畳領域と、第（ｍ－１）非重畳領域と、を含む所定の形状に設定し成形する、外形設定成形工程とを含ティーバッグの製造方法。【選択図】図１
