Objective    To discuss the causes of syncope and its influencing factors for medical students during the comprehensive military training in military medical university and explore the measures to prevent the incidence.     Methods    Combined with practical exercises

the clinical data of 42 cases of syncope during the comprehensive military training were retrospectively investigated and analyzed.     Results    During the military training

the percentage of vascular dysfunction syncope was 78.87%

and girls had higher rate than boys (Chi square=28.27

P

<

0.01). The percentage of metabolic syncope accounted for 14.29%. The incidence was more common (69%) within the first 3 d of the training.     Conclusion    It is necessary to take measu

res to suggest students to emphasize prevention

be treated in a timely manner

exercise regularly and employ flexible management measures to prevent and reduce incidence of syncope

so as to protect the health of the military academy students during the comprehensive military training.