Abstract: Comparative test of seven introduced varieties of middle-season rice was carried out with “Ⅱyouming86” as control. Their biological characteristics, yield stability and yielding ability were analyzed. The results showed that “Yongyou No.9”, “Zhongzheyou No.8”, “Zheyou 18”, “Y liangyou 096” and “Liangyou 1587” possessed good comprehensive traits and could be demonstrated and extended at different altitudes in Yanping District, Nanping City.