A bleeding scratch by a domestic cat requires rabies vaccination and an injection of rabies human immunoglobulin. The first step is to promptly flush the wound with soapy water for about twenty minutes, or if you do not have time to do so, you need to go to the hospital and apply the Canine Injury Purification System to flush the wound to remove the blood stasis, etc. within the wound together, and then inject the rabies vaccine after flushing the wound, which is usually a five shot therapy. In the second and third steps, after the rabies vaccination, the amount of rabies immunoglobulin should be calculated according to your body weight, usually one per ten kilograms of body weight. The fourth step, to inject tetanus human immunoglobulin to prevent tetanus infection caused by cat bites. The fifth step is to take antibacterial medication, etc., to prevent wound infection. It is important to pay attention to a light diet during the rabies vaccination period, and not to drink alcohol and stimulating foods such as strong tea to avoid wound infection or cause allergies.