The book of controversy in the way of jurists-Ibn Aqil Al-Hanbali is a special importance for the Islamic Sciences in general and the principles of jurisprudence in particular, as the book of controversy relates to the method of jurists-Ibn Aqil Al-Hanbali in many branches of Islamic sciences; Including the purified prophetic biography, the hadith, the origins of interpretation, and other jurisprudential specialties.