This research aimed to compare between following books: Talat Alshams by Abdullah bin Humaid Al salemi and Fusul Alusul by Khalfan bin Jameel Al syabi in terms of conjunctive, preposition and condition. This study was a semantic study. The objectives of the study were to explore the positions that have covered by two authors in terms of conjunctive, preposition and condition. Also, to investigate in-depth in some cases that have been studied by both authors. Then, the study compared between these cases. After that, study addressed the statements of fundamentalists scholars and grammarians. The study was organized into an introduction and three chapters. The introduction contained of biography of Al salmi and al syabi and their books. After introduction, the meaning of conjunctions in the two books was discussed in the first chapter. The second chapter studied the implications of prepositions in both books. Condition symbols and their words were studied in the chapter three. The last section presented the findings of the study.