A usage method for a mouse chamber. The mouse chamber is made up of a mouse wetting device, a mouse guiding channel, a paper wet breakage device, a water tank and a water tank cover. The mouse wetting device is made up of a water trough and wetting water in the water trough, the paper wet breakage device is made up of a front paper clip, a rear paper clip and trap paper, the trap paper is provided with a plurality of breakage holes, a paper weak spot is provided between adjacent breakage holes, the paper weak spots are located at an exit position of the mouse guiding channel, the front paper clip is arranged at a left upper portion of the water tank, the rear paper clip is arranged at a right upper portion of the water tank, the front paper clip clamps a left paper edge of the trap paper, the rear paper clip clamps a right paper edge of the trap paper, and the mouse guiding channel is located between the mouse wetting device and the paper wet breakage device. When the mouse chamber is in use, water is brought by a mouse from the water trough to the trap paper, the paper weak spots of the trap paper become wet and break, the mouse falls into trap water in the water tank, and the mouse is caught.Linvention concerne un procédé dutilisation dune chambre pour souris. La chambre pour souris est constituée dun dispositif de mouillage de souris, dun conduit guide de souris, dun dispositif de rupture en cas dhumidité en papier, dun réservoir deau et dun couvercle de réservoir deau. Le dispositif de mouillage de souris est constitué dune goulotte deau et deau de mouillage contenue dans ladite goulotte, le dispositif de rupture en cas dhumidité en papier est constitué dune agrafe de papier avant, dune agrafe de papier arrière et dun papier piège. Le papier piège est pourvu dune pluralité de trous de rupture, un point faible du papier est prévu entre les trous de rupture adjacents, les points faibles du papier sont situés au niveau dune position de sortie du conduit guide de so
