Taysir alwusul 'iilaa jamie al'usulu is a manuscript classified within the sciences of hadith. It was written by Ibn al-Diba’, Abd al-Rahman bin Ali bin Muhammad, who died in the year 944 Hijiri. Ali bin Ahmed bin Amer al-Qurashi, the Abbasid Shafi’i, transcribed it in Al-Naskh font script on Monday, perhaps 11 Jumada al-Awwal 1125 AH. The number of papers was 357, and the number of lines was 28, with a size of 30 x 19.5 cm. The manuscript begins with: (Praise be to God, who made it easy to reach Jami’ al-Usul from the hadith of the Messenger, and made it easy to summarize it into about the third of its original volume.). And it ends with: .. and I saw his seal with what the imam concluded... Al-Bukhari's Sahih, and it is the great hadith.. The Messenger of God, peace be upon him, said: Two words are light on the tongue... Praise be to God, whose glory and majesty do good deeds.). The copy comes in two parts included in one volume, written on it that it was owned by Muhammad al-Qari in Taiz in 1237 hijiri, and owned by Abd al-Karim ibn Muhammad al-Amrani, and owned by Muhammad ibn Abd al-Latif, dated 1340 Hijiri, There is various corrections and explanations on its margins, black ink was used in writing, and what is intended to be distinguished is written in red.