The utility model relates to a liquid filling and discharging device.It can be used to connect an irrigation and drainage pipe.It contains an ontology.The utility model has a filling connection hole to connect a filling control room.A row of connecting holes connect a row of control rooms.A bottom opening is arranged for the hole of a filling control.A row of control holes has a bottom opening.A connecting hole is connected with the filling control hole and the arranging control hole.An irrigation and drainage connection hole is connected with the filling hole of the irrigation control.Row control mounting hole or connecting hole,The irrigation and drainage connecting pipe is connected with the irrigation and drainage connecting hole；One filling control,It has a connecting rod which can move in the hole of the filling control.A valve plate connected to the connecting rod can seal the bottom port of the filling control hole of the body；A row of controls,There is a connecting rod which can move in the row of control mounting holes.A valve plate is connected to the connecting rod and can seal the bottom port of the row control mounting hole of the body.一種灌液與排液裝置，可供連接一灌排接管，包含有一本體，具有一灌接孔連通一灌控室，一排接孔連通一排控室，一灌控件裝孔有一底口，一排控件裝孔有一底口，一連通孔連通該灌控件裝孔與排控件裝孔，一灌排接孔連通該灌控件裝孔、排控件裝孔或連通孔，該灌排接管與該灌排接孔接通；一灌控件，具有一連動桿可活動於該灌控件裝孔，一閥片接於該連動桿而可密封該本體之灌控件裝孔的底口；一排控件，具有一連動桿可活動於該排控件裝孔，一閥片接於該連動桿而可密封該本體之排控件裝孔的底口。
