Be snapper bite bleeding to immediately rinse the wound with water, at the same time should try to squeeze out some blood to clean the wound, available alcohol or iodophor in the local disinfection, to avoid bacterial infection after the snapper bite, cleaning is completed can be wound dressing, generally do not need to apply special drugs outside, can wait for natural healing. If the wound is deeper and larger, it is recommended to bandage the wound to stop the bleeding after the initial wound cleaning and disinfection is completed, and if necessary, you can go to the hospital for emergency surgical stitching. The snapper is an aquatic herbivore, generally not very toxic, not a small bite bleeding after ordinary disinfection bandage treatment will heal, will not leave any sequelae, also do not need to play rabies vaccine and and injection of antiviral serum, need to pay attention to the wound healing period do not touch the water, patients should regularly disinfect and replace the dressing gauze to avoid causing infection.