目的：探讨蒙古族儿童血压的年龄分布情况和正常值范围。方法：用秩和比法对4～14岁蒙古族正常儿童血压的年龄分布进行了聚类分析。结果：制定出了蒙古族儿童血压正常值范围，其回代正常率和外延正常率均较高。结论：制定蒙古族儿童血压正常值范围时，将年龄划分成4～5岁、6～12岁、13～14岁三个时期最优。 Objective: To investigate the age distribution and normal range of blood pressure in Mongolian children. Methods: The age distribution of blood pressure in Mongolian normal children aged 4-14 years was analyzed by rank sum ratio method. Results: The range of normal blood pressure of Mongolian children was established, and the normal rate of back-generation and normal rate of epitaxy were all higher. Conclusion: When setting the blood pressure normal range of Mongolian children, the age is divided into 4 ~ 5 years old, 6 ~ 12 years old, 13 ~ 14 years old three times optimal.