目的 探讨海南城市、乡村汉族人的体质特征并分析海南汉族在蒙古人种中的分型地位。方法 遵循知情同意原则，采用随机取样方法在海南琼海市和万宁市龙滚镇分别调查了城市汉族310例（男为160例，女为150例）、乡村汉族323例（男为174例，女为159例）成人的86项体质指标，计算了33项体质指数，统计了指数分型情况，与我国族群资料进行了比较，对海南汉族体质特征进行了初步分析。 结果 1.海南汉族上眼睑有皱褶率高,有蒙古褶率低,眼裂高度多为窄型，多为眼外角高于眼内角，鼻根高度多为中等型，鼻背侧面观多为直型，鼻基部多为上翘型，颧骨不突出，鼻翼高度多为中等，鼻孔最大径多为斜位，鼻翼宽度多大于眼内角间宽，耳垂圆形率最高，上唇皮肤部高度多为中等型，红唇厚度薄型率、中型率接近，厚红唇率低，发色为黑色

Objective To report the somatotype characteristic of urban and rural Han in Qionghai and Wanning，Hainan. Methods Eighty-six physical characteristics of 310 urban adults (160 males and 150 females) of Han were investigated in Qionghai of Hainan and 323 rural adults (174 males and 159 females) of Han were investigated in the town Longgun in Wanning. Thirty-three physical indices and the distributions of indices were calculated. The comparisons were made among the Han in Hainan and some other nationalities in China. The physical characteristics of Han in Hainan was analysed perliminarily. Results 1.The Han nationality in Hainan had main characteristics largely such as: the high percentage of eye fold of the upper eyelid; the low percentage of mongoloid fold; the opening height of eyeslits was narrow type; outside corner of eye was higher than inside corner; the nasal root height was medium type; the nasal profile was straight type; the nasal base was upwarptype; zygomatic projection was lower;the height of alae nasi ismedium type; the maximal diameter of nostrils was obliquity type; the breadth of alae nasi was higher than that was between inside corner of eye; the lobe types was round type; the upper lip skin height was medium type; the thickness of lips was between thin type and medium type, the thick type was rare; black hair color; brown eye color and yellow skin color. 2.Among the nationalities of China, the breadth of head and face was higher; the auricular height was high but the head length was low; the head type was round; the nose was tall and wide, the main characteristics of head and face were closer to nationalities of the North Asian type, while some characteristics were quite similar to nationalities of the South Asian type. 3.The stature of Hainan Han was close to the North Asian type; the breadth was between the North Asian type’s and the south Asian type’s, the breadth of female was closer to the South Asian type’s. The index of physical characteristics was between the North Asian type’s and the South Asian type’s, which was much closer to the South Asian type’s.4.Compare with the data of thirteen physical characteristics investigated by WU Ru-kang in 1987,head length,mouth breadth,interocularn breadth,breadth of shoulders were similar in both investigations, the other nine physical characteristics were higher than that of the investigation in 1987. Conclusion The physical characteristics of Han in Hainan was closer to nationalities of the North Asian type of China, while some indexes and indices were between the North Asian and the south Asian type’s or closer to nationalities of the South Asia