If the skin appears red when scratched by a cat, there is usually a possibility that the skin will have skin lesions. If the cat’s paws harbor rabies virus, rabies virus can easily pass through the epidermis of the injured wound and thus invade the inside of the organism, and by reproducing to produce toxins can also be able to induce rabies. So the correct treatment after being scratched by a cat: first of all, repeatedly rinse the wound clean, and then disinfected with hydrogen peroxide, and finally coated with tincture of iodine. To go to the hospital doctor to determine whether to carry out active and passive immunization.