Abstract: Objective To investigate correlation between body mass index with hypertension and blood lipid of Mongolian people in inner Mongolia pastoral areas. Methods Investigation and analysis of the relationship between body mass index with hypertension and blood lipid to the 951 Mongolian people who are over the age of 18. Results Overweight and obesity was higher males than females in Mongolia population (P <0.01), Hypertension, lipid abnormality prevalence increases with an increase body mass index. Overweight and obesity people with hypertension, lipid abnormality prevalence was significantly higher than the normal group (P <0.01). Body mass index was associated positively with Hypertension, lipid abnormality prevalence. Conclusions Body mass index is a risk factor for hypertension and lipid abnormality prevalence to Mongolian people, Control body weight can prevent and reduce the occurrence of chronic diseases.