Cat spraying or marking is a common behavior among cats, especially those that are not neutered or spayed. This behavior can be frustrating and unpleasant, but it can also be addressed with the right techniques and strategies. Here are some steps you can take to help deal with a cat that sprays or marks its territory:

1. Get your cat spayed or neutered: The first step to stop a cat from spraying is to have them spayed or neutered. This will reduce the level of hormones in their body that contribute to marking behavior.
2. Identify the cause of the spraying: It’s important to understand what’s causing your cat to spray. Some common causes include changes in the cat’s environment, stress, or the presence of other cats. If you can identify the cause, you can work to address it.
3. Clean up thoroughly: If your cat has sprayed, clean the area thoroughly to remove any lingering odors. Cats have a keen sense of smell and will be attracted back to the area if there is still a scent.
4. Provide multiple litter boxes: Make sure your cat has access to multiple litter boxes in different locations. This will help ensure they have a place to go when they need to use the bathroom.
5. Create a safe and comfortable environment: Ensure that your cat has a safe and comfortable environment, free from stress and anxiety. This may include providing hiding places, toys, and other forms of enrichment.
6. Offer positive reinforcement: Reward your cat with treats and positive attention when they use the litter box. This will encourage them to continue using the litter box and help them associate it with positive experiences.
7. Consider using pheromone sprays: Pheromone sprays can help create a calming environment for your cat and reduce marking behavior. These sprays mimic the pheromones produced by a mother cat and can help reduce stress and anxiety.
8. Consult with a vet: If the behavior continues or becomes more severe, consult with a veterinarian. They can perform a medical exam to rule out any underlying health problems and recommend medication or other treatments if necessary.

In conclusion, cat spraying or marking is a common behavior, but it can be addressed with the right techniques and strategies. Spaying or neutering, identifying the cause of the spraying, cleaning up thoroughly, providing multiple litter boxes, creating a safe and comfortable environment, offering positive reinforcement, using pheromone sprays, and consulting with a vet are all steps that can help. It may take time and patience, but with persistence, you can help your cat overcome this behavior.