What you need to prepare when raising a cat for the first time:
1. The cat's living supplies include a cat bed, scratching post, food bowl, water bowl, and a cat carrier, etc.
2. To maintain your cat's health, you need to regularly purchase and use internal and external deworming medications, as well as feed probiotics to regulate its digestive system. 
3. You can also prepare toys, cat wands, and cat trees to increase your cat's exercise.
4. Choose high-quality cat food that is high in protein and easily digestible.
5. You also need to prepare some common medications to deal with various common diseases in cats.