This study is designed to analyze variation on body length and weight of crossbred between Germany Merino and Chinese Merino (Xinjiang type). Its body weight and body length changed. According to the analysis: the average weight of NO.1 crossbreed improved, average weight for NO.2 crossbreed increased more than its NO.1 crossbreed.The result show: NO.1 crossbreed are better than NO.2 crossbreed in Body length and body weight. So Germany Merino can improve the meat performance of Chinese Merino (Xinjiang) .