Eupatorium odoratum (Latin scientific name: spider holding eggs. ), also known as spider's egg, also known as spider's egg, spider's egg, spider's egg, spider's egg, spider's egg, spider's egg, spider's egg, spider's egg, spider's egg, spider's egg, spider's egg, spider's egg, spider's egg, spider's egg, spider's egg, perennial evergreen herb is solitary in its near leaves. 2 1 ~ 46cm long, 8 ~ 1 1cm wide, tapering at the top, wedge-shaped at the base, slightly wavy at the edge, green on both sides, and sometimes slightly yellow and white spots or stripes; Mainly distributed in southern provinces of China, Hainan Island and Taiwan Province Island. Traditional Chinese medicine is a widely used medicine containing rhizome components. It can be harvested, dried or used in small quantities in any season. It can promote blood circulation, remove blood stasis, tonify deficiency and relieve cough. It is helpful to treat traumatic injury, rheumatism, myalgia, lumbago, cough due to lung deficiency and hemoptysis.