Objective  To explore the somatotype characteristics and rules of Lisu and Dulong adolescents aged 13-18 years, and to analyze their annual somatotype differences.   Methods  According to the method  of human body measurement, through the measurement of 10 related indexes, using Heath-Carter body type evaluation method , 634 cases (328 boys, 306 girls) Lisu and Dulong teenagers body type evaluation.    Results  The average body size of male and female students of Lisu ethnic group was of balanced mesoderm type (2.9-4.8-3.3) and endoderm type (4.7-4.8-2.8). The average body size of male and female students of Dulong nationality is mesoderm type (3.1-3.9-2.1) and mesoderm type (5.2-4.6-1.6). Among the 10 test indexes, there were significant differences in height, body weight, intercondylar diameter of humerus and intercondylar diameter of femur (P<0.01). There were significant differences in height, intercondylar diameter of humerus and intercondylar diameter of femur among female students (P<0.01).  Conclusion  In Yunnan Province, adolescents of Lisu and Dulong ethnic groups generally have the body type characteristics of southern ethnic groups, but the body type difference between the two ethnic groups is great, and only has the characteristics of similar stage, age and body type.