Many muhaddiths came from Movarounnahr and Khurasan. They made a great contribution to the development of hadith science with their works and activities. One such muhaddith was Abu Dawud Sijistani, who lived in the third century of Hijri. Like other hadith scholars, Abu Dawud went to many cities in search of hadith. He heard knowledge from scholars such as Abu Umar Zarir, Muslim ibn Ibrahim, Ahmad ibn Hanbal, Abdullah ibn Maslama Qanabi, Abdullah ibn Raja, Abu Walid Tayalisi, Ahmad ibn Yunus, Abu Jafar Nufaili, Abu Tawba Halabi, and Sulaiman ibn Harb. He participated in many science circles in Hejaz, Sham, Egypt, Iraq, Jazira, Khorasan. Among the famous students who studied under him are Imam Tirmidhi, Imam Nasai, Imam Abu Bakr ibn Abu Dawud, Abu Awana, Abu Bishr Dulabi, Ali ibn Hasan ibn Abd, Abu Osama Muhammad ibn Abdul Malik, Abu Said ibn Arabi, Abu Ali Lului, Abu There were great scholars such as Bakr ibn Dosa, Abu Salim Muhammad ibn Said Jaludi, Abu Amr Ahmad ibn Ali.