There are many reasons for cats to urinate blood, such as urinary stones, bladder stones, nephritis, urinary tract infection, etc. They need to be sent to the pet hospital for examination to confirm the cause, and corresponding treatment methods will be adopted according to the cause. It is best not to take medicine randomly to avoid Delay the condition. Generally, male cats are more likely to urinate blood. You should let the cat drink more water, make sure the litter box is clean and hygienic, and you can also perform sterilization surgery on the cat.