Sanqi (Panax notoginseng) is a plant. The leaves, fruit, and flowers are used to make medicine. However, the root is used the most commonly which is made into Sanqi Powder. Panax notoginseng saponins (PNS) are one of the main active ingredients of Panax notoginseng which is used to stop or slow down bleeding. It is sometimes taken by people who have nosebleeds, vomit up or cough up blood, or find blood in their urine or feces.