Twenty-one lactescent rabbits were divided into five groups aceording to their litter size.On the basise of this the breading test for one month was conducted. The r.sult showed the difference of the relation between the vamance of weight and litter size from different groups was notsignifieant (P>0. 05) and the positive correlation was followed between the variance of weightand gain in weight of baby rabbit (r=0. 898) as low was in lactation period and reached to normalgradualy later. As well as the hegative correlation was followed between the number born aliveand birth weight r =- 0. 849.