Pine pollen is the main treatment for traumatic bleeding, eczema, canker sores, skin eruptions, pus dripping and other diseases. Pine pollen is the dried pollen of Pinus sylvestris, Pinus sylvestris or several species of the same genus. Pine pollen is sweet in taste and warm in nature, belonging to the liver and spleen meridians, with the effects of astringency and hemostasis (treating bleeding conditions with drugs that have astringent effects), and drying dampness and astringing sores (astringing sores and ulcers by drying dampness). Pine pollen can be used for the treatment of traumatic bleeding, eczema, canker sores, skin eruptions, pus drenching, external use of appropriate amount, sprinkle on the affected area. Pine pollen adverse reactions and contraindications are not clear, if there is discomfort, it is recommended to go to the hospital in a timely manner, the use of pine pollen and other traditional Chinese medicine need to be guided by a professional doctor, do not blindly use drugs.