发现老公有外遇要离婚吗？我该怎么做？

 dangnifaxianlaogongyouwaiyudeshihou，nihuixiangfaxianlaogongyouwaiyuyaolihunma？nixianglia，danshifaxianzijihaishiyouhaizidecunzai，haiyouxuxuduoduodejibandeshihoua，woyinggaizenmebanni，dangnifaxiannilaogongyouwaiyudeshihouqingzuoyixiajijianshi。

第一、搜集证据。

 dangnifaxiannilaogongyouwaiyudeshihou，diyishijianbushisikaofaxianlaogongyouwaiyuyaolihunma？cishizhengshinisoujizhengjudeshiji，yinweiduifangbuzhidaoniyijingfaxianletadebuzhongdexingwei，wangwangzhengjushihaimeiyouzaodaopohuai。

 suoyi，tebieshi，nvxingdepengyou，qianwanbuyaobeifennuchonghunlezijidetounaohetatanpai，yinweinidexingweizhishihuiposhiduifangpohuaizhengjuerduiyuyijingfashengdeshishimeiyouyidiangaibian。cishi，zuilizhidezuofajiushitoutoudeshoujiyiqieyoulidezhengju，birudianzidezhengju，liaotianjilu、shoujiduanxi、shipindengyaojishideshenqinggongzhengjiguanlaijinxinggongzheng，bimianzaodaoshanchu。

 dangyiqiedounenggoushoujidezhengjudoudaoshouyihou，keyigentatanpaile，cishidoukeyiliyongtadekuijiu，rangqixiexiatadechuguishishihehuiguoshu，buguanzuihouyongbuyonglihun，douzuodaoyoubeiwuhuan。

二、收好户口本、身份证、结婚证、财产证书等证书。

 henduorenzaizhaowoqisulihundeshihou，meiyoushenfenzheng、jiehunzhengershibashiqinggaodetebiemafan，yinweiruguoduifangpalihunerbazheixiezhengjiandoujizangqilaile，haiyourenhuitebiezaisusongqingqiuliyaoqiuduifangjiaochuhukouben。suoyiyaodayouzhunbeidezhang，budongshengsedexianjiangzijideshenfenzheng、jiehunzheng、duifangshenfenzhengfuyinjian、fangwuchanquanzhengdengyouxiaozhengjianquanbudouyaozhangwozaishouliyizuoweisusongdezhengju。

三、查清财产信息。

 henduodenvxingpengyou，zaiyanleiposuodexushulezijidebeicanzaoyuhou，zaikaolvfaxianlaogongyouwaiyulihunmazheigewenti，erdoubushiqulejiezheigezijicaolaoleyibeizidejiadaodiyouduoshaocaichan。ruguoliannizijidoubuzhidaozijidaodiyouduoshaoliyi，ruhelaiweinizhengqunideliyi。suoyizairichangdeshenghuozhong，nvxingpengyouyidingyidingyaozhidaonimenjiadaodiyouduoshaoliudongcaichanhebudongchan，neipanishibuzhangwojingjidaquande，yeyaozuodaozhigenzhidi。dangnifaxiannilaogongchuguihou，jizhulenidiyishijianfaxianbushisikaolaogongyouwaiyulihunma，ershizuoyishangliangjianshi。