Objective  To investigate the prevalence of obesity and hypertension among the Naxi, Pumi, and Lisu ethnic groups in Lijiang City, Yunnan Province, and to calculate the cut-off points of body mass index（BMI）, waist circumference, and visceral fat index to warn of hypertension, and provide a scientific reference for the prevention and treatment of hypertension.   Methods  We selected 1471 Naxi, Pumi, and Lisu people aged 18-90 years old, and measured their body morphological indicators by using biometric method , and measured their blood pressure. Logistic regression was used to analyze the impact of obesity on hypertension. BMI, waist circumference,and visceral fat index were used to draw the ethnic groups receiver operating characteristic  (ROC) curve. Data were processed using IBM SPSS 24.0.    Results  Among the 688 Naxi people,108 were obese(15.7%), abdominal obesity was 385(56%), and visceral fat exceeded was 197(28.5%); among the 513 Pumi people,46 were obese (9%), 279 were abdominal obesity (54.4%), and 113 were visceral fat exceeded (22%); among the 270 Lisu people,24 were obese (8.9%), 121 were abdominal obesity (44.8%), and 54 were visceral fat exceeded(20%). The overall distribution of obesity, abdominal obesity, and visceral fat exceeded in the three ethnic groups had statistical differences (χ2=15.724, 10.007, 10.886, P<0.05). The Naxi obesity, abdominal obesity and visceral fat index had the highest rates (P<0.05).There were 601 hypertension patients, prevalence was 40.9%. Abdominal obesity and visceral fat exceeded were risk factors for hypertension (OR=0.676, 0.456, P<0.05). BMI, waist circumference and visceral fat index can be used to alert hypertension (AUC>0.5, P<0.05).   Conclusion  The related obesity rates of the Naxi, Pumi, and Lisu ethnic groups are at a high level. Monitoring of waist circumference and BMI can prevent the onset of hypertension and is of great significance for the early prevention and treatment of hypertension.