Hijama is  also known as Wet Cupping Therapy (WCT), Bloodletting Cupping (BLC) Therapy, Hijama, Al-hijamah, and Hejamat - is an old therapeutic and medical technique to improve the natural immune system and cure several disorders, which differs from Chinese Dry Cupping Therapies. It consists of a vacuum device attached to a disposable cup that is to be placed to a certain parts of body; but the most usual part is in intarscapular area on the brown adipose tissue (BAT) full of blood, lymph and primo vessels, and close to the sympathetic ganglia, the thoracic duct and the main vessels from heart and brain.

The vacuum sucks the area under the cup for some minutes. The cup then is removed and a scalpel used to make small incisions on epidermis, the cup is replaced again and suction is repeated several times to let blood and interstitial fluids drain. Scientific studies illustrated the therapeutic effects of WCT in various conditions such as metabolic syndrome, infectious diseases, immune system disorders, low back pain, inflammation and etcetera.