Abstract: Reproductive health is a new cnnception and a new do main of study We formulate a questpnnaire about it among unnarried youths The 1203 exam inatpn papers are inputted with the data base of Visual Foxpro 5.0 in 586 computer and an alyxzed with SAS 604. The article is carried on the Logistic reg cession of a sing1e factor and multi factors to analyze the gidven 26 factors that are related to selfabuse lO main factors were selected when P=0.05 and the Conch Idance is 76.4%.