The incidence in 7768 cases of acute craniocerebral injuries was analysed in this article.The analysis showed that there were more cases of acute craniocerebral injuries seen during the period from June to November,especially from June to August.The main causes of injury from June to August were trips and falls (41.7%) and those from September to November were traffic accidents (48.7%).Improvements in rescue orga- nization and measures in prevention during the period of high incidence were sugge sted.