Yes, Cupping can help decrease blood pressure. According to Chinese medicine, using the method of light suction, this method is intended to remove stagnation. The soothing effects assist in calming the nervous system and the Vagas nerve which may also will help improve blood circulation. Wet cupping, or blood letting, is another technique that has claims to pull out thick blood to allow lighter blood to circulate. We at Got Knots do not do wet cupping.