This is odd behaviour and should be checked out by someone better qualified than me (I'm just a random stranger on the Web). You can make a start by putting .
Does your cat constantly lick you or random household items? Constant licking can be normal, but it may be a symptom of stress or a nutritional imbalance.
Cats make licking and grooming into an art form. Your cat could be suffering from a nutritional deficiency, an obsessive-compulsive disorder, or she may be stressed out by changes in the household. Cats who lick obsessively at nonfood items such as furniture, clothing, walls.