Eucalyptus oil is one of the world's largest production of essential oils, according to the use can be divided into pharmaceutical oil, industrial oil and fragrance oil three kinds. Eucalyptus oil is mainly used in medicine and hygiene products, such as toothpaste, tooth powder, talcum powder, soap, chewing gum, cough syrup, cooling oil, wind cream and so on. It is also used in the preparation of some daily chemical products. It can also be used for flotation of ore, and as a detergent additive and fungicide.