Lining capable of being installed in water drain pipe or sewage drain pipe installed water with water

The utility model discloses a lining capable of being installed in a water drain pipe or a sewage drain pipe installed water with water, which comprises a caisson which can be downwards put to the inner part of the water drain pipe or the sewage drain pipe which needs to install the lining along an inspection well, and a rubber lining pipe one end of which is fixed on the side wall of the caisson in a sealing way and is communicated with the inner part of the caisson, wherein the cross sectional structure size and the length of the water-filled rubber lining pipe are the same as the cross sectional structure size and the length of the water drain pipe or the sewage drain pipe which needs to install the lining, the caisson is connected with the rubber lining pipe in a sealing way, the inspection well is an upriver inspection well which is positioned at the upriver of the water drain pipe or the sewage drain pipe, the caisson is a box body which is surrounded by a plurality of metal plates, the side wall of the