The book Ḥadīth Criticism and biographical dictionary in the Pre-4th /10th Century is dedicated to exploring early hadith studies and investigating biographical narratives, symbolizing the integration of Muslim scripture into the global literary landscape, in harmony with the contemporary spirit. The essence of this work lies in it explicit design, aiming to guide the readers who may be unfamiliar with rhe riwayāh (transmission) tradition of Ḥadīth. By presenting a historical process, it is expected that this initial exploration of the biographical dictionary in Ḥadīth studies will act as catalyst, inspiring future generations of scholars and students newly introduced to Ḥadīth studies, and iginiting the passion for research and the excitement of discovery in uncharted avenues of inquiry.