Pine pollen has the efficacy of astringency to stop bleeding (using drugs with astringent effects to treat bleeding conditions), and drying dampness to astringe sores (astringing sores by drying dampness). It is not clear whether pine pollen has anti-cancer and anti-cancer effects. Pine pollen is the dried pollen of Pinus sylvestris, Pinus sylvestris or several species of the same genus. Pine pollen is sweet in flavor and warm in nature; it belongs to liver and spleen meridians. Clinically, pine pollen is mainly used for the treatment of traumatic bleeding, eczema, canker sores, skin eruptions, pus drenching and so on. Pine pollen is usually used externally, sprinkled on the affected area. The adverse reactions and contraindications of this product are not clear. It is recommended that patients who are not feeling well go to a regular hospital in time, and follow the doctor’s instructions for medication.