IN THIS THERAPY LIVING LEECH(JALOKA) ARE USED TO SUCK BLOOD FROM THE PATIENTS DISEASED AREA.IT WORKS ON THE PRINCIPLE THAT IN DISEASED PARTS DOSHAS GET STUCK LEADIING TO DISEASE,LEECH SUCKS ONLY BAD BLOOD AND FLOURISHES THE HEALTH.IN HIJAMA THERAPY CUPPINGS ARE USED INSTEAD OF LEECH