Since the Northern Song Dynasty,composing a poem to a given tune of ci becomes popular.The rhyme of lyrics are broader than the poetry,the phenomenon is also more complicated.The summary of the total catalogue of Siku Quanshu considers using ancient rhyme as breaking rules and the last resort,but recognize its existence.While Xia Chengtao totally deny the existence of the ancient rhyme phenomenon in Song Ci.He thinks that the special rhyme phenomenon is rhyming in the common dialects and sayings.The two arguments are diametrically opposed.Can Dialect solve the special rhyme in Song Ci?Is there an ancient rhyme in Song Ci?This is the two major issues to be solved in this paper.The paper intends to start with XiaChengtao view that Song Ci is unbelievable with ancient rhyme,and expound that Why does the using of dialects explain the special rhyme of Song Ci is invalid.Then taking specific works as an example,to demonstrat the feasibility of the Ancient Rhyme in Song Ci.