The survival rate of feline thrombosis is small and the cost of treatment is high, but there are many cases of successful treatment. Owners can consider whether to treat their pet cat when thrombosis is diagnosed. There are many reasons for cats to suffer from thrombosis, but the most common ones are: genetics and heart disease. There are also a few cats that are caused by internal inflammation caused by excessive fright. In addition, complications after cat sterilization surgery can also cause thrombosis.