The civilization of the Muslim Arabs in Andalusia flourished greatly, and during that the applied and theoretical sciences flourished, so Andalusia became the first channel through which the civilization of the Muslim Arabs was transmitted to Europe. Although much has been written about the applied sciences in Andalusia, this research focused on writing about the efforts of the Andalusians in the theoretical sciences on the one hand. Their historical efforts, from many aspects, included the history of the Andalusian countries, the news of its people and kings, the biography of its scholars in their various specializations, the history of its cities , the history of the Arab-Islamic East, genealogy, private biographies, and the biography of the prophet. Through this, scholars emerged who had a great position in cultural and intellectual history.