Purpose of wet-cupping is to quicken the blood, quickening the blood means removing older stagnant blood and replacing it with nourishing blood. The amount of blood removed is minimal, few cubic centimetres, wet cupping is not detrimental to health when practiced safely. 

Replacing stagnant blood with fresher more nourishing blood helps the body heal at a faster rate. Wet cupping treatments could be focused to treat a single disorder or general treatment for better health and longevity.