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目的：回顾性分析热射病部队患者和地方患者发病临床特点、血液系统损害的不同，并分析其预后的影响因素。方法住院的68例热射病患者，按其来源不同，分为部队患者组21例，地方患者组47例。比较两组患者临床特点和血液学检查结果，并采用多变量Logistic回归分析其病死率的影响因素。结果与地方组比较，部队组患者年龄较轻，发病时间较短，血钠水平偏高，差异有统计学意义（t分别为6.15、2.90、3.39，均P<0.01）。对影响热射病患者住院病死率的危险因素作多变量Logistic回归分析后，发现入院时D二聚体、血钠、Cr及乳酸水平为影响预后的独立预测因素。结论血浆D二聚体、血Cr、乳酸及血钠水平可作为判断预后的指标，重视院外急救、早期监测血液学指标，并采取相应的治疗措施，可降低患者死亡率。“,”Objective To analyze the clinica characteristics and laboratory data of the military and civilian heat stroke patients. Methods The clinical data of 68 hospitalized heat stroke patients, 21 soldiers and 47 local residents, were analyzed. In addition, multivariate logistic regression analyzis was adopted to identify the influential factors on their prognosis. Results Comparing with the local patients, the military patients carried the following characteristics, younger age, shorter time of disease, and higher serum sodium levels (respectively, t=6.15, 2.90, 3.39, all P<0.01). After co-variation adjustment with multivariable logistic regression analysis, D-dimer, serum sodium, creatinine and blood lactate were independent factors to the heat stroke’s in-hospital mortality. Conclusion D-dimer, serum sodium, creatinine and blood lactatee lever are the independent factors to indicate prognosis.