How to keep cats from scratching the couch?
Don't scold and hit your cat.Otherwise, your efforts will fail, and verbal punishment or physical punishment will be totally unacceptable to a responsible host.
Train your cat not to scratch your furniture.You must spend more energy with it, and take the time to understand the uses of the pillars you provide for him.
To provide a compact, suitable shape of the cat scratching device.A wooden stake with a full bark is a very good cat scratch device. Cover the surface of the furniture with a thick, washable, protective layer that you can take off very quickly when you have visitors.