Objective To understand the blood lipid level and the distribution characteristic of dyslipidemia of population in Ali Prefecture ,Tibet Autonomous Region .Methods 2 384 cases of healthy people accepted physical ex‐amination in People′s Hospital of Ali Prefecture were enrolled in the study .Samples of fasting venous blood were col‐lected in the morning ,and the levels of TC ,TG ,HDL‐C and LDL‐C detection was processed on Hitachi 7020 auto‐matic biochemical analyzer .The levels of blood lipid and the distribution of dyslipidemia of the population were ana‐lyzed .Results The average levels of TC ,TG ,HDL‐C and LDL‐C of population in in Ali Prefecture ,Tibet Autono‐mous Region were 4 .96 ,1 .56 ,1 .24 ,and 3 .31 mmol/L ,respectively .The average levels of TC ,TG ,HDL‐C and LDL‐C of males were 5 .08 ,1 .79 ,3 .48 ,and 1 .21 mmol/L respectively ,which of females were 4 .78 ,1 .27 ,3 .18 ,and 1 .29 mmol/L respectively .The dyslipidemia of Ali Prefecture was mainly hypercholesterolemia .The TC level of males (5 .08 mmol/L) was significantly higher than that of females (4 .78 mmol/L) .The incidence of dyslipidemia was high in the population of Ali Prefecture ,which had a significant trend of younger age in males ,and an upward trend along with age increasing in females .Conclusion Dyslipidemia related with age ,gender and area .It recommended that a wide medicine and health education should be carried out according to the distribution characteristic of some area ,so as to help people improve their health consciousness ,adjust their diet structure ,and correct their eating habits .Targe‐ted intervention and control of hyperlipoidemia would help to reduce the incidences of cardio cerebral vascular disea‐ses .%目的：了解西藏自治区阿里地区人群的血脂水平及血脂异常分布特征。方法选择在西藏自治区阿里地区人民医院参加健康体检的2384例健康人，清晨空腹采集静脉血，使用日立7020全自动生化分析仪检测血清中总胆固醇（TC）、三酰甘油（TG）、高密度脂蛋白胆固醇（HDL‐C）、低密度脂蛋白胆固醇（LDL‐C）水平，统计人群的血脂水平和血脂异常分布特征。结果西藏自治区阿里地区人群TC平均水平为4．96 mmol／L ，TG平均水平为1．56 mmol／L ，HDL‐C平均水平为1．24 mmol／L ，LDL‐C平均水平为3．31 mmol／L。TC、TG、LDL‐C、HDL‐C男性平均水平分别为5．08、1．79、3．48、1．21 mmol／L ；女性平均水平分别为4．78、1．27、3．18、1．29 mmol／L。阿里地区血脂异常主要以TC为主，男性5．08 mmol／L ，高于女性的4．78 mmol／L。血脂异常在阿里地区人群中具有较高的发生率，男性年轻化趋势明显，女性随年龄增长呈上升趋势。结论血脂异常与年龄、性别和所在地区有关，建议各地区可根据分布特点进行广泛医疗健康教育，提高人们的保健意识，调整饮食结构，纠正饮食习惯，开展针对性的干预预防和控制高血脂，减少心脑血管疾病发生率。
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