A catheter for drainage is provided. A drainage catheter according to an embodiment of the present invention has a first guiding tube and a peripheral portion covering the first guiding tube, such that a front end of the first guiding tube is exposed to the outside. A second guide tube having an incision formed in the peripheral portion is included. [Selection diagram] FIG.【課題】排液用カテーテルの提供。【解決手段】本発明の実施例による排液用カテーテルは、第1誘導管および上記第1誘導管を覆う周部を有し、上記第1誘導管の前端部が外部に露出されるように上記周部に切開部が形成される第2誘導管を含む。【選択図】図10