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目的：研究长航官兵原发性高血压的患病情况及相关危险因素。方法选择305名长航官兵为研究对象，男199例，女106例。于长航8周后进行问卷调查，收回有效问卷的人数292人，男191人，女101人。长航8周后观察原发性高血压的患病情况并对各部门患病率进行比较，采用Logistic回归进行危险因素分析，根据危险因素分析结果制定相应的预防策略。结果长航8周后原发性高血压患病率为9.6%；根据工作强度大小划分，后勤部门和航海部门工作强度小，长航8周后合并计算患病率为8.8%；机电部门和炊管部门工作强度大，长航8周后合并计算患病率为11.5%，差异无统计学意义（aP＞0.05，χ2=0.52）；采用单因素Logistic回归分析各因素对原发性高血压发病的影响,发现精神压力大、年龄、BWI、家族史、高盐饮食、吸烟与原发性高血压关系密切， P0.05,χ2=0.52). The results of logistic regression demonstrated a significant correlation between essential hypertension and mental stress, age, BWI, family history, high-salt diet, and smoking (P<0.05). Conclusion The high prevalence of essential hypertension in the sailors was found to be correlated with mental stress, age, BWI, family history, high-salt diet, and smoking. A strategic prevention plan shall be made based on the factors found.