今日美国外伤是1～45岁年龄组的最主要疾病和死因,而在儿童的死因中,外伤较其它死因更为重要。随着免疫接种、抗菌素及儿童癌症的有效化疗药物的不断出现,外伤日益成为儿童疾病、伤残、致死的突出原因。为了预防和减少外伤的发生及其所造成的危害,本文提出一种理论框架,从宿主、 U.S. trauma today is the leading cause of illness and cause of death in the age group of 1 to 45 years, and trauma is more important than any other cause of death among children. With the continuous emergence of effective chemotherapeutic drugs for immunization, antibiotics and childhood cancer, traumatic injuries have increasingly become a prominent cause of illness, disability and death in children. In order to prevent and reduce the occurrence of trauma and its harm, this paper presents a theoretical framework, from the host,