The relationship of the nose tip position and the skull figures which were measured from the lateral craniographs in 49 ladies of 17～19 age living in Shenyang was studied. The figures measured on craniographs were analyzed by multiple stepwise regression analysis on IBM-PC/XT computer, and the regressoin equations for estimating the nose tip position of female in Shenyang were obtained. Cases in which the errors were within 2 mm were 71.43 to 77. 55 percent.

60 Chinese skulls(30 males and 30 females) from Liaoning province of the People's Republic of China were measured, By applying the multiplestepwise discriminant function, sexual diagnosis of the maxillary, frontal, occipital and parietal bone were carried out, 12 discriminant equation for sexual diagnosis have been obtained,The diseriminant rate of equations with accuracy tests on the same series of crania results in 66.7～93.3% of the cases analyzcd