Abstract: 5 male and 5 female Wannan spotted pig were respectively selected at 0,30,45,90,180 days age, their body sizes and slaughter performance ycere detected, the data was also analyzed in the article. The results indicated that the average daily body weight again （ADBWA） impruved with the increase of day age, and the female in ADBWA after ablactation was higher than that of the male. The body height of the male at 30 days age was negatively correlate to square measure in muscular apparatus, the correlation coefficient was -0.889, but the chest measurement and the carcass plagioclase of the female at 30 days age were positively correlated to square measure in muscular apparatus, the correlation coefficients respectively was 0.942 and 0.897.