勞(lao)(lao)動(dong)合(he)(he)(he)同(tong)(tong)分為(wei)固定期(qi)限(xian)勞(lao)(lao)動(dong)合(he)(he)(he)同(tong)(tong)、無固定期(qi)限(xian)勞(lao)(lao)動(dong)合(he)(he)(he)同(tong)(tong)和(he)以(yi)完(wan)成一定工作(zuo)任(ren)務(wu)為(wei)期(qi)限(xian)的(de)勞(lao)(lao)動(dong)合(he)(he)(he)同(tong)(tong)。用人單(dan)位和(he)勞(lao)(lao)動(dong)者(zhe)選擇(ze)訂(ding)立什么類型(xing)的(de)勞(lao)(lao)動(dong)合(he)(he)(he)同(tong)(tong)，由用人單(dan)位和(he)勞(lao)(lao)動(dong)者(zhe)協商決定。但是考慮到(dao)勞(lao)(lao)務(wu)派(pai)遣(qian)(qian)合(he)(he)(he)同(tong)(tong)的(de)特殊性，為(wei)了保護被(bei)派(pai)遣(qian)(qian)勞(lao)(lao)動(dong)者(zhe)的(de)利益，我國《勞(lao)(lao)動(dong)合(he)(he)(he)同(tong)(tong)法》第58條對勞(lao)(lao)務(wu)派(pai)遣(qian)(qian)單(dan)位與被(bei)派(pai)遣(qian)(qian)勞(lao)(lao)動(dong)者(zhe)訂(ding)立的(de)勞(lao)(lao)動(dong)合(he)(he)(he)同(tong)(tong)的(de)種類和(he)期(qi)限(xian)做(zuo)出了特別規(gui)定：

勞(lao)(lao)務派(pai)遣單位和被(bei)派(pai)遣勞(lao)(lao)動者只能訂立固定(ding)勞(lao)(lao)動合(he)同

無固定(ding)(ding)勞(lao)動(dong)(dong)(dong)合(he)(he)同(tong)(tong)(tong)屬于長(chang)期(qi)(qi)(qi)勞(lao)動(dong)(dong)(dong)合(he)(he)同(tong)(tong)(tong)，要求勞(lao)務(wu)(wu)(wu)派(pai)(pai)遣(qian)(qian)(qian)(qian)單(dan)位(wei)與被(bei)派(pai)(pai)遣(qian)(qian)(qian)(qian)勞(lao)動(dong)(dong)(dong)者(zhe)訂(ding)立固定(ding)(ding)期(qi)(qi)(qi)限勞(lao)動(dong)(dong)(dong)合(he)(he)同(tong)(tong)(tong)。以(yi)完成一定(ding)(ding)工(gong)作任務(wu)(wu)(wu)為期(qi)(qi)(qi)限的(de)勞(lao)動(dong)(dong)(dong)合(he)(he)同(tong)(tong)(tong)是(shi)短(duan)期(qi)(qi)(qi)勞(lao)動(dong)(dong)(dong)合(he)(he)同(tong)(tong)(tong)，與勞(lao)務(wu)(wu)(wu)派(pai)(pai)遣(qian)(qian)(qian)(qian)合(he)(he)同(tong)(tong)(tong)有共同(tong)(tong)(tong)之處(chu)。但(dan)是(shi)，這種勞(lao)動(dong)(dong)(dong)合(he)(he)同(tong)(tong)(tong)期(qi)(qi)(qi)限的(de)不太明(ming)確，有可能(neng)使被(bei)派(pai)(pai)遣(qian)(qian)(qian)(qian)勞(lao)動(dong)(dong)(dong)者(zhe)處(chu)于無工(gong)作狀態，而(er)且勞(lao)務(wu)(wu)(wu)派(pai)(pai)遣(qian)(qian)(qian)(qian)單(dan)位(wei)和(he)以(yi)接受勞(lao)務(wu)(wu)(wu)派(pai)(pai)遣(qian)(qian)(qian)(qian)形式用工(gong)的(de)單(dan)位(wei)的(de)權利和(he)義務(wu)(wu)(wu)難區分，增加了(le)管理難度。固定(ding)(ding)期(qi)(qi)(qi)限勞(lao)動(dong)(dong)(dong)合(he)(he)同(tong)(tong)(tong)的(de)期(qi)(qi)(qi)限明(ming)確，權利和(he)義務(wu)(wu)(wu)也好分清，為了(le)保護勞(lao)動(dong)(dong)(dong)者(zhe)利益，勞(lao)務(wu)(wu)(wu)派(pai)(pai)遣(qian)(qian)(qian)(qian)單(dan)位(wei)與被(bei)派(pai)(pai)遣(qian)(qian)(qian)(qian)勞(lao)動(dong)(dong)(dong)者(zhe)訂(ding)立勞(lao)動(dong)(dong)(dong)合(he)(he)同(tong)(tong)(tong)，只能(neng)訂(ding)立固定(ding)(ding)期(qi)(qi)(qi)限勞(lao)動(dong)(dong)(dong)合(he)(he)同(tong)(tong)(tong)。