Objective      To investigate the characteristics and regularity of training injury in Chongqing armed police troop.       Methods      Using epidemiological study

the investigation of training injury was carried out from January 2011 to December 2012. A total of 1 218 participants were randomly selected from Chongqing armed police troops.       Results      The incidence of training injury in Chongqing armed police troop was 21.3%. New soldiers who joined the army less than 6 months underwent 74.9% training injury. Acute ankle joint sprain was the first common type of training injury

with cumulative injury in four limbs the second and skin abrasions and lacerations the third. The causes of training injury were various. The phenomenon of soldiers insisting on training with wound were found frequently.       Conclusion      In order to decrease the training injury effectively

the authorities should strengthen propaganda and education and pay much attention to protection and supervision

and soldiers should do warm-up exercise before training and avoid over-fatigue and negligence.