This paper discusses the characteristics of paediatric epidemics, the theoretical basis of aromatic herbal medicine for the prevention and treatment of paediatric epidemics and the application of aromatic medicine in paediatric epidemics according to the theory of aromatic removing obscenity and summarises the experience of professor Xiong Lei in treating paediatric epidemic diseases by using aromatherapy. It is believed that paediatric epidemics are common with dampness-heat syndrome, while aromatic herbs have the effect of dispelling harmful diseases in the air or in the human body with the help of aroma to relieve epidemics, dispel epidemics in the middle of the body, and open the orifices of the body to control the epidemics.