The preparations that cats need to make when traveling by car for 10 hours include the following aspects:

1. Health check-up: Before departure, it is recommended to take the cat to the veterinarian for a health check-up to ensure that the cat’s physical condition is suitable long trip.

2. Prepare necessary items: Prepare enough cat food, clean drinking water, cat litter box and other necessities for the cat.

3. Comfortable environment: Set up a safe and comfortable space for cats in the car, such as a flight box or a special pet seat. The flight crate should be roomy enough to allow the cat to turn around and lie down freely.

4. Safety measures: Make sure the cat is restrained at all times in the car to prevent the cat from jumping out while driving. outside the vehicle or injured.

5. Dealing with motion sickness: If your cat is prone to motion sickness, you can consult a veterinarian in advance and prepare corresponding motion sickness drugs. Don't overfeed your cat before departure to avoid vomiting during the trip.

6. Regular rest: During long-distance travel, it is very necessary to stop and rest regularly. Not only does this give your cat a chance to stretch and go to the toilet, it also helps relieve your cat's nervousness.

In short, being well prepared for your cat is the key to ensuring a smooth long-distance trip.