A business card type portable mouthwash, especially a kind of mouthwash that can overlap a plurality of mouthwash packs to facilitate carrying around, includes a tablet container and a concentrated mouthwash material. The concentrated mouthwash material is stored in the business card type container. The card-shaped container is torn open, and the card-shaped container is expanded into a cup shape, and water is added to dissolve the concentrated mouthwash material to form a mouthwash. The business card type container is a double-layer rectangular sheet shape, which includes: a front sheet with waterproofness and flexibility, and a back sheet with waterproofness and flexibility. The four sides of the front sheet and the rear sheet are mutually bonded, so that a sealed space is formed between the front sheet and the rear sheet to accommodate the concentrated mouthwash material.一種名片型的隨身漱口水，尤指一種可將多數個漱口水包作相互重疊以利隨身攜帶的漱口水，其包含設置有：一名片型容器、及一濃縮漱口材料。該濃縮漱口材料係存置於該名片型容器內。撕開該名片型容器，並令該名片型容器膨脹成杯狀，加入水將該濃縮漱口材料溶解，即形成漱口水。該名片型容器為雙層式的矩形片狀，其包含設置有：一具防水性與具可撓性的前薄片、一具防水性與可撓性的後薄片。該前薄片與該後薄片的四邊呈相互黏合狀，致使該前薄片與該後薄片之間形成一密閉空間，以容置該濃縮漱口材料。
