Centella is a dry whole grass or belt whole grass of Centella, also known as thunder root, horseshoe grass, landing dozen, available all the year round, rich in resources, growing in Southeast Asia, Australia, South Africa and Central Africa tropical regions, has a long history of application in the field of medicine in many countries. Centella asiatica is cold and bitter in taste. It has the effect of clearing heat and benefiting dampness, detoxifying and reducing swelling. It is mainly used for dampness and heat jaundice, heatstroke and diarrhea, carbuncle, sores, injury and other diseases. Centellaidin belongs to the pentacyclic triterpenoid compounds, with anti-ulcer, promote wound healing, anti-tumor, anti-inflammatory, immune-modulation and other pharmacological effects. It is currently mainly used in the treatment of scleroderma and skin trauma and burns.