Abstract: It was investigated 5 general indexes of anthropological genetics including pollical type, palmar digital formula, hand clasping, arm folding and handedness in Hui and Han Nationalities of Ningxia. The results showed as follows: (1) There were extremely significant difference in the frequency of palmar digital formula in 2 nationalities (P <0.01), but those of arm folding, hand clasping, pollical type and handedness showed no significant differencies. (2) There were no significant sex difference in the frequency of pollical type, hand clasping, arm folding and handedness. The frequency of long type of ring finger in male is higher than that in female, and the difference is much clear (P <0.01). (3) There were obvious correlation between handedness and hand clasping 、handed- ness and arm folding, but no relation between arm folding and hand clasping.

Key words: Pollical type; Palmar digital formula; Hand clasping; Arm folding; Handedness