Ibn ‘Abbaas (may Allaah be pleased with them both) reported that the Prophet (peace and blessings of Allaah be upon him) said: “Healing is to be found in three things: drinking honey, the knife of the cupper, and cauterization of fire.” (Reported by al-Bukhaari, 10/136).
According to a hadeeth narrated by Jaabir (may Allaah be pleased with him), the Prophet (peace and blessings of Allaah be upon him) said: “If there is any good in your medical treatments, it is in the knife of the cupper, drinking honey, or cauterization with fire, as appropriate to the cause of the illness, but I would not like to be cauterized.” (Reported by al-Bukhaari, 10/139)
Ibn ‘Abbaas (may Allaah be pleased with them both) reported that the Prophet (peace and blessings of Allaah be upon him) was treated with cupping, and he paid the cupper his fee.” (Reported by al-Bukhaari, 10/124; Muslim 1202).
Anas ibn Maalik (may Allaah be pleased with him) reported that the Messenger of Allaah was treated with cupping by Abu Tayyibah. He commanded that he should be given two measures of food, and he spoke with his tax-collectors, who reduced his taxes. He said, “The best treatment you can use is cupping.” (Reported by al-Bukhaari, 10/126; Muslim, 1577)
From http://www.islam-qa.com/en/ref/3268
The result of cupping..............
