After being bitten by a mouse, you can treat the wound by wound treatment, vaccination and wound closure. 1. Wound treatment: After being bitten by a rat, you should first clean up the wound, if there is no bleeding, rinse with water, if there is bleeding, you can properly squeeze the blood out, so as to effectively clean up the residual bacteria. 2. Vaccination: If the rat bite wound is deeper, you need to inject tetanus vaccine and epidemic hemorrhagic fever vaccine, etc., and if necessary, you can also inject rabies vaccine under the diagnosis of professional doctors. 3. Wound closure: If the rat bite wound is deeper and the traumatic area is larger, after disinfection, it is also necessary to carry out wound closure surgery in a timely manner, so as to help promote the healing of the wound and minimize the scar left behind to avoid affecting the aesthetics. After being bitten by a rat, you need to clean the wound in time and go to the hospital for examination, assessment of the wound, vaccination under the guidance of a professional doctor, and if necessary, suture or bandage treatment to avoid delaying the condition.