Abstract: 70 samples of handprint patterns of a heredoataxia kinship were studied. The percentage of the fingerprint in uluar loop is slightly lower and arch type slightly higher; palmar crease in normal type is low but simple crease and transitive I type are both high; atd angle count is a little large. The high rate appears from digital triradius c line to 9 and 7.

Key words: Heredoataxia; Handprint patterns