They are covering you and the things around them with pheromones which come from glands on their face and head.
Kitten keeps rubbing face on floor.
The catsultant can help us out with this cat body language.
Cats rub their faces on things for many reasons depending on the context or object being rubbed.
Cat to cat head bunting and allorubbing are reserved for cats who already have a familiar and friendly relationship.
When your cat engages in head bunting or head rubbing he is placing his scent there as a social and affectionate gesture.
Lip rubbing is often reserved for marking objects.
Rubbing is a natural feline marking behavior.
If the cat knows you already or is just really enthusiastic about people he may not wait for a polite greeting.
Cats rub on walls furniture shoes and even other things lying around on the floor.
When your cat rubs its head and cheeks on the floor it can be leaving its scent markers on the house and over your feet.
Head butting is an over the top version of face rubbing.
Cats have scent glands located in their cheeks forehead chins and a the base of their tail and rubbing up against people other cats and objects is a form of marking without being a territorial action like spraying sackman says.