The utility model discloses a detachable valve system includes: sealed pad, movable gate and gate frame, detachable valve system adorns between two cell walls of basin, wherein: two gate frames lean on respectively on two cell walls, and are fluted in the gate frame, and the groove phase of two gate frames is to setting up, and movable gate adorns in above -mentioned recess, is equipped with sealed the pad on the gate frame, and sealed one end of filling up is fixed on the gate frame, and the sealed other end that fills up withstands the cell wall with the contact of gate frame, and the sealed other end that fills up carries out in close contact with with the cell wall, the utility model discloses a valve system not only can dismantle, but also seals the water of valve system both sides, and it is all very convenient to dismantle with the installation.