OBJECTIVE: To observe the effect of cervical sympathetic ganglia block on the mortality of mice with combined radiation and burn injury, and whether it can become an easy and effective method to treat secondary damage after serious trauma. 目的:观察颈交感神经阻滞对放烧复合伤小鼠死亡率的影响,探讨颈交感神经阻滞可否成为严重创伤后续损害简单有效的治疗手段。