Many cat owners interpret excessive meowing to be a behavior problem. While it may indicate an issue, there are 3 factors to consider when evaluating noisy cat behavior problems.
First, if you are not one to want a cat that's noisy, be sure to do your research as to the particular breed before adopting a new cat. Different breeds have naturally different vocalization tendencies. (Siamese cats for example, tend to vocalize more.)
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If you do not have a noisy cat, and the excessive noise is something new that your cat has never done before, he/she is trying to tell you something, and it's best to first rule out a medical issue by taking him or her to the vet to get checked.
Second, assuming it is not something medical, some cats vocalize in reaction to some kind of change or transition in its environment. Consider things from your cat's point of view. If you've moved, changed your normal routine, changed their food, have different people living with you or visiting, or have recently lost someone (including another pet), the cat maybe experiencing this "noisy cat behavior" because it is simply expressing his or her grief. Normally changing things back (as feasible) will help to end the noisy cat behavior problem, but in the absence of being able to revert back to the prior situation, extra love, playtime and attention will also help to ease the transition.
Lastly, as with any pet training, it is especially important when addressing noisy cat behavior problems, that you reward the good behavior to promote it, and avoid punishing bad behavior (or excessive noise) at all costs. That being said, if you don't want a cat that's noisy, ignore him/her as possible when he or she is vocalizing, and reward him or her with love, treats and playtime when they are not vocalizing. Cats, like dogs, do learn from positive reinforcement, whereas punishment often creates additional problems.
Remember your cat is using its voice for a reason, and it may not always indicate a problem. In fact, from my experience from working in a veterinarian's office, many noisy cat behavior problems resolve quickly with the right attention from their owners.
3 Ways to Avoid Noisy Cat Behavior Problems
If your cat's behavior doesn't seem positive and isn't caused by a medical issue, another option is to understand the way your cat thinks. By getting inside the mind of your cat, you're more likely to get to the root of the behavior problem and be better able to resolve it quickly so that you no longer have to worry about noisy cat behavior problems.
Hang in there and always approach the cat with the love, respect and patience it deserves. http://www.EndCatBehaviorIssues.com