Because impurities need to be removed. Panax palmatum, also known as bergamot, is a kind of plant, named after its shape like a palm, and is mainly used in medicine. Because the palm ginseng is just collected in the wild and contains some harmful impurities, it needs to be removed, so it is scalded with boiling water. Palm ginseng has the effects of clearing away heat and relieving cough, eliminating phlegm and relieving asthma, nourishing yin and tonifying kidney, strengthening spleen and appetizing, which is of great benefit to human health.