Flea will appear when stray cats rub their legs. Stray cats live outside all year round without anyone taking care of them, so some fleas or other organisms will be attached to their body hair. If your legs are rubbed by a stray cat, it is recommended to change your clothes in time to prevent fleas from hiding in your pants. , the changed pants can be sprayed with insect repellent, disinfectant, or washed directly.