Objective To analyze the characteristics of cases of maxillary complex injury, to sum up experiences and lessons in the clinical first aid process, to evaluate different treatment effects of maxillary complex fracture and investigate the reasons for the failure of the treatment process. Methods 152 cases with maxillary complex injury were analyzed retrospectively. Results 2 cases（1.32%） died during emergency treatment. The cure rate was 62.67%（94/ 150） in the 150 survival cases. The cure rate of closed fractures were better than open ones and surgical treatments than non-surgical ways（P
