問 在新加入(ru)一家公(gong)(gong)司(si)的時(shi)候(hou)，一般是要同(tong)該(gai)公(gong)(gong)司(si)簽訂一份書面的，那么(me)這(zhe)個(ge)勞動合同(tong)究竟有什么(me)用處呢？

答 首(shou)先勞(lao)動(dong)(dong)(dong)(dong)合(he)(he)同(tong)(tong)是(shi)企業(ye)勞(lao)動(dong)(dong)(dong)(dong)管(guan)理的(de)(de)有效手段，勞(lao)動(dong)(dong)(dong)(dong)合(he)(he)同(tong)(tong)是(shi)市場調節(jie)勞(lao)動(dong)(dong)(dong)(dong)力的(de)(de)重(zhong)(zhong)要(yao)方法。其(qi)次勞(lao)動(dong)(dong)(dong)(dong)合(he)(he)同(tong)(tong)是(shi)實(shi)現勞(lao)動(dong)(dong)(dong)(dong)力合(he)(he)理流動(dong)(dong)(dong)(dong)的(de)(de)重(zhong)(zhong)要(yao)方式，勞(lao)動(dong)(dong)(dong)(dong)合(he)(he)同(tong)(tong)是(shi)國家宏觀調控勞(lao)動(dong)(dong)(dong)(dong)力的(de)(de)有力工具。最后勞(lao)動(dong)(dong)(dong)(dong)合(he)(he)同(tong)(tong)是(shi)公民實(shi)現勞(lao)動(dong)(dong)(dong)(dong)權的(de)(de)重(zhong)(zhong)要(yao)保障，勞(lao)動(dong)(dong)(dong)(dong)合(he)(he)同(tong)(tong)是(shi)防止(zhi)發生的(de)(de)重(zhong)(zhong)要(yao)措(cuo)施(shi)。