DRAINAGE SYSTEM

To provide a drainage system enabling a drainage time thereof to be shortened.SOLUTION: A drainage system 100 comprises: a drain trap 2 having a first water sealing unit 41 in which drainage water can be stored, a hair catcher 71 arranged above the water sealing unit 41, a bypass 59 bypassing the first water sealing unit 41 and connecting the inflow side and the outflow side to each other, and a second water sealing unit which is provided in the bypass 59 and in which drainage water can be stored; a connection passage 5 connecting a suction port 13 provided in a bathtub 11 and the bypass 59 to each other; and a pump 6 provided in the connection passage 5.SELECTED DRAWING: Figure 1 【課題】排水時間を短縮することができる排水システムを提供する。【解決手段】排水システム１００は、排水の貯留が可能な第１封水部４１と、第１封水部４１の上方に配置されたヘアーキャッチャー７１と、第１封水部４１を迂回して流入側と流出側とを接続する迂回路５９と、迂回路５９に設けられ排水の貯留が可能な第２封水部と、を有する排水トラップ２と、浴槽１１に設けられた吸込み口１３と迂回路５９とを接続する接続路５と、接続路５に設けられたポンプ６と、を備える。【選択図】図１