Legal basis: Article 3 of the Appraisal Standard for the Degree of Injury and Disability of Human Body (Trial) refers to the damage to the integrity of the body structure or the difference or loss of functions (including physiological functions and psychological functions). The standard divides the degree of human injury into three categories: serious injury, minor injury and minor injury. Serious injury means that the person is physically disabled or disfigured; Loss of hearing, vision or other organ functions; Other injuries that are harmful to personal health. Minor injury refers to moderate damage to human limbs or appearance; Hearing, vision or other organ dysfunction; Other injuries with moderate harm to personal health. Minor injury refers to slight damage to a person's limbs or appearance; Hearing, vision or other organ functions are slightly or temporarily impaired; Other injuries that are slightly harmful to personal health. According to the severity of the injury, it is divided into serious injury level 1, serious injury level 2 and serious injury level 3. Minor injury level 1, minor injury level 2 and minor injury level 3; Minor injury level 1, minor injury level 2, * * * level 8.