勞(lao)(lao)(lao)(lao)動(dong)(dong)(dong)合(he)同(tong)分為固定(ding)(ding)期限勞(lao)(lao)(lao)(lao)動(dong)(dong)(dong)合(he)同(tong)、無固定(ding)(ding)期限勞(lao)(lao)(lao)(lao)動(dong)(dong)(dong)合(he)同(tong)和以完成一定(ding)(ding)工作任務(wu)為期限的(de)勞(lao)(lao)(lao)(lao)動(dong)(dong)(dong)合(he)同(tong)。用人(ren)單(dan)位(wei)(wei)(wei)和勞(lao)(lao)(lao)(lao)動(dong)(dong)(dong)者(zhe)(zhe)選擇訂立什么類型的(de)勞(lao)(lao)(lao)(lao)動(dong)(dong)(dong)合(he)同(tong)，由用人(ren)單(dan)位(wei)(wei)(wei)和勞(lao)(lao)(lao)(lao)動(dong)(dong)(dong)者(zhe)(zhe)協商決定(ding)(ding)。但是考慮到勞(lao)(lao)(lao)(lao)務(wu)派遣合(he)同(tong)的(de)特殊性，為了(le)保護被派遣勞(lao)(lao)(lao)(lao)動(dong)(dong)(dong)者(zhe)(zhe)的(de)利(li)益，我國《勞(lao)(lao)(lao)(lao)動(dong)(dong)(dong)合(he)同(tong)法》第58條(tiao)對勞(lao)(lao)(lao)(lao)務(wu)派遣單(dan)位(wei)(wei)(wei)與被派遣勞(lao)(lao)(lao)(lao)動(dong)(dong)(dong)者(zhe)(zhe)訂立的(de)勞(lao)(lao)(lao)(lao)動(dong)(dong)(dong)合(he)同(tong)的(de)種類和期限做出(chu)了(le)特別規定(ding)(ding)：

勞(lao)務(wu)派遣單(dan)位和(he)被(bei)派遣勞(lao)動者只能訂(ding)立(li)固定勞(lao)動合(he)同(tong)

無固定勞(lao)(lao)(lao)(lao)動(dong)(dong)(dong)(dong)合(he)同(tong)(tong)(tong)(tong)屬于(yu)長期(qi)勞(lao)(lao)(lao)(lao)動(dong)(dong)(dong)(dong)合(he)同(tong)(tong)(tong)(tong)，要求勞(lao)(lao)(lao)(lao)務(wu)(wu)(wu)(wu)派(pai)遣(qian)(qian)單(dan)位(wei)(wei)與(yu)(yu)被(bei)派(pai)遣(qian)(qian)勞(lao)(lao)(lao)(lao)動(dong)(dong)(dong)(dong)者(zhe)訂立(li)固定期(qi)限勞(lao)(lao)(lao)(lao)動(dong)(dong)(dong)(dong)合(he)同(tong)(tong)(tong)(tong)。以完成(cheng)一定工(gong)作(zuo)任務(wu)(wu)(wu)(wu)為(wei)期(qi)限的勞(lao)(lao)(lao)(lao)動(dong)(dong)(dong)(dong)合(he)同(tong)(tong)(tong)(tong)是(shi)短(duan)期(qi)勞(lao)(lao)(lao)(lao)動(dong)(dong)(dong)(dong)合(he)同(tong)(tong)(tong)(tong)，與(yu)(yu)勞(lao)(lao)(lao)(lao)務(wu)(wu)(wu)(wu)派(pai)遣(qian)(qian)合(he)同(tong)(tong)(tong)(tong)有共同(tong)(tong)(tong)(tong)之(zhi)處。但(dan)是(shi)，這種勞(lao)(lao)(lao)(lao)動(dong)(dong)(dong)(dong)合(he)同(tong)(tong)(tong)(tong)期(qi)限的不太(tai)明(ming)確(que)(que)，有可能使(shi)被(bei)派(pai)遣(qian)(qian)勞(lao)(lao)(lao)(lao)動(dong)(dong)(dong)(dong)者(zhe)處于(yu)無工(gong)作(zuo)狀(zhuang)態，而且勞(lao)(lao)(lao)(lao)務(wu)(wu)(wu)(wu)派(pai)遣(qian)(qian)單(dan)位(wei)(wei)和以接受勞(lao)(lao)(lao)(lao)務(wu)(wu)(wu)(wu)派(pai)遣(qian)(qian)形式用工(gong)的單(dan)位(wei)(wei)的權利(li)和義務(wu)(wu)(wu)(wu)難(nan)區分，增加(jia)了管理難(nan)度。固定期(qi)限勞(lao)(lao)(lao)(lao)動(dong)(dong)(dong)(dong)合(he)同(tong)(tong)(tong)(tong)的期(qi)限明(ming)確(que)(que)，權利(li)和義務(wu)(wu)(wu)(wu)也好分清，為(wei)了保護(hu)勞(lao)(lao)(lao)(lao)動(dong)(dong)(dong)(dong)者(zhe)利(li)益，勞(lao)(lao)(lao)(lao)務(wu)(wu)(wu)(wu)派(pai)遣(qian)(qian)單(dan)位(wei)(wei)與(yu)(yu)被(bei)派(pai)遣(qian)(qian)勞(lao)(lao)(lao)(lao)動(dong)(dong)(dong)(dong)者(zhe)訂立(li)勞(lao)(lao)(lao)(lao)動(dong)(dong)(dong)(dong)合(he)同(tong)(tong)(tong)(tong)，只能訂立(li)固定期(qi)限勞(lao)(lao)(lao)(lao)動(dong)(dong)(dong)(dong)合(he)同(tong)(tong)(tong)(tong)。