1/ Arabs shuttled between three continents, spreading China's compass, papermaking, gunpowder and firearms, Indian crops such as sugar, rice and cotton to Europe, and at the same time spreading ten digital symbols created by ancient Indians to Europe, which is called Arabic numerals.

They brought China knowledge of Arabic astronomy and medicine, as well as Islam and Islamic culture.

They have built a bridge of cultural exchange between different civilizations and promoted the cultural and economic development of these areas.

At the same time, Arab scholars have also made great contributions to the development of world culture:

3/ They translated and preserved many Greek works, presenting the splendor of ancient culture to western Europeans again.

They also created a complete algebra.

In medicine, Rasis's Medical Integration and ibn sina's Medical Classics have been translated into Latin and have long been regarded as authoritative works by European medical circles.