5公里越野考核是指部队指战员携带武器、装具在各种复杂的地形、在规定的时间内完成的耐力和野战能力的训练。夏季在高温、高湿环境下进行5公里越野考核,由于大量出汗、失盐失水、过度疲劳,极易发生劳力型中暑。由于该型中暑起病急,病程进展快,死亡率高,因此实施有效的抢救措施极为重要。本文总结了1994年以来驻石部队院校学员在5公里越野考核中发生中暑的54例临床情况,旨在进一步探讨中暑的原因及防治措施。 5 km off-road assessment refers to the unit commanders armed with weapons, equipment in a variety of complex terrain, within a specified period of time to complete endurance and field training. Summer in high temperature, high humidity environment 5 km off-road examination, due to a large number of sweating, loss of salt dehydration, fatigue, prone to labor-type heat stroke. Because of this type of acute onset of heat stroke, fast progression, high mortality, the implementation of effective rescue measures is extremely important. This article summarizes the 54 cases of heat stroke occurred in the 5 km off-road examination since 1994 in the stone unit college students in order to further explore the causes of heat stroke and prevention and treatment measures.