The Muslim scholar Abu al-Qasim al-Zahrawi is one of the greatest scientists of human history in the field of surgery. He is the founder of the field of surgery, He is the first to use the scalpel in surgery, He invented Many modern surgical instruments are invented by Al-Zahrawi and developed; He was able to manufacture the endoscopy and was able to break the pebbles in the bladder. He also invented the operation chutes from the intestines of the cats, and used them in stomach and intestinal wounds. Al-Zahrawi is the first to do tonsillectomy. All these achievements are documented in the Encyclopedia of Zahrawi in his book "Facilitation for those who can not write", which contains 30 volumes.

Many European scientists testify to the intelligence and virtues of al-Zahrawi such as Gustave Le Bon, ZigridaHonka, Haller and others.