This paper,guided by Life-view of trinity of physique,qi and spirit,expounds the health maintenance mechanism of aromatherapy of TCM from three angles,namely,exercise and beauty,eat and facilitate spleen to protect the body,strengthen and resist pathogens,dredge meridians to smooth the Qi,delight the feeling,open the orifices and calm the heart to regulate the spirit,so that people can better master and use aromatherapy of TCM to regulate body functions and improve the effect of disease prevention and treatment.