Why Does My Cat Scratched Me When I Rub His Belly. A cat’s belly is the softest and would roll on its back to either show they trust you or let you rub their belly. They may even react aggressively with bites and scratches.

If a cat lets you rub their belly, that means they completely trust you. Anyone who has lived with a cat knows how extremely affectionate they can be as companions. Pat the area of skin dry with a clean towel.