Syntactic significance is related to the structure of the sentence, so grammatical evidence becomes the means of revealing the structural meaning.. That is, produced by systems, combining the installation units together with one another and coordinating them.That the most important components of the parallel structures that lean on the grammatical structure because it has to identify the basic features of the pit and the lap systems, and have to understand the dimensions of semantic .Surah al-Furqan - as it is in every surah in the Qur'an - is a continuous unit that is difficult to separate from one another,Therefore, our study of the structural parallelism in this sura will be based on the sequence of the verses in the sura, because of the strength of the interconnected structure of the grammatical structures between them and the result of the plural formative displacement.