As a kind of perfume, eucalyptus can be used in the preparation of perfume, detergent, skin cleanser, hair care agent, shampoo, toothpaste, tooth powder, etc.The repellent can be prepared by its repellent, which can be used to kill and repel various kinds of stored pests such as zhang mantis, clam and mosquito.Its bactericidal action can be used in the preparation of microbicide agents, and if combined with protease, can be made into contact lens cleaning fluid.It can be made into air freshener, deodorant for toilet or sewer by comprehensive utilization of its fragrance, bactericidal ability and insect repellent effect.At the same time, because eucalyptus has the effect of preventing and curing respiratory tract infection, cold and other diseases, the air freshener prepared with it can also effectively prevent the occurrence of these diseases.