Cats keep biting cardboard boxes may be because they feel lonely, anxious, or unfamiliar with the environment, or because they want to vent their dissatisfaction or soothe themselves. To solve this problem, cats can be provided with more attention and activities, so that they can have more opportunities to play their abilities.
Cats are grinding their teeth when they keep biting the carton. Bitting the carton can play a little bit of grinding their teeth. However, because the carton is easy to tear apart, cats will easily cause foreign objects to be blocked when swallowed. You can prepare some teething sticks for the cat.
Cats are curious and lively, and because cats are hunting animals, they have the desire to tear everything with their claws and teeth. Cardboard boxes and cat scratching boards are cats' favorite toys.