The sludy has deall wilh sexual hehavior and vulnerabililY 10 !-fi Ji infection among youngrnmigranl working women in Ziway. Ii is Iried to examinefaclors conlribuling to risk behavior andrnmake migranl young women vulnerable 10 !-fiJi injeclion.rnThe dala was callecled Fom single lI1igranl women in Ihe age graup i 5-28 years in Ziway, SherElhiopiajlowerfarms.rnusing cross- sectional sludy. A lolal sample size was 423 females selecledrnby employing simple random sampling melhod and 8 key-informanls lvere involved in in- deplhrninterview.rnThe dala H'{IS enlaed and analyzed using SPSS Sofi-ware. Descriplive slalislics used 10 describernIhe respondems characleristics. 7/ie binary logislic regression model was used 10 eslablishrnrelalion ship between Ihe riskfaclor and various independenl variables.rnThe sludy revealed Ihal 63.8% of lite respondenls had an experience of sexual inlercourse andrnfor 48.2% of Ihe re.ljJondents age CIt./irsl sex was bel/owI8 years. Among 244females, who hadrnsexual imercourse in Ihe lasl 6 monlhs 12.3% (30jemales) had 1/1II!1ipie sexual parlners. AboUirn2.-1% oflhe I respondel1ls had expet'ienced alleasl one sign/ .I),mplolll o(STls or STls episodes.rnBy using logislic I'egt'ession model. Ihe dependem variahle. riskji:lC/ors measured by Ihe numberrnor sexual parll1er.lÂ· and Srls signs Symplollls Heporled The .finding rClwtied Ihal young andrnsingle llIigwnl "'omen were found 10 be influenced hy high risk hehmÂ·ior. dural ion of Slay inrnZill'oy. /iring ol'rongemen/, re ligio /'l and religiosity. income, occupatiun .Iel/nily relation mediarnexposure. being lI1ell1her of social group !cluh. and exposure 10 pornographic malerials came oulrnas signi(ical1l delerl11inanl oflhe ri.lli of J-IfJl injeclion alllong Ihe sludy group allhe sludy area.rnFinally recolllmended Ihallhe role und Ihe wa), 10 disselllinale il1/orll101ion by mass media needsrn10 be re-consider. And Ihe plannelS and concemed hod)' should gi,'e alieni ion lowa/'ds illegalrnpornographic sholl' houses and reming shops. And governmen/al and non-governmenlalrnorganiz({/ion should gi"e allen/ion III eSlahlish ond col/.lolidole social groups or elubs.