Treat a first-degree burn as a minor burn unless it involves substantial portions of the hands, feet, face, groin or buttocks, or a major joint.

• 除非是手、足、脸、腹股沟或臀部的主要部位烧伤，或者主要关节处烧伤，可以把一级烧伤当成轻微烧伤对待。