Aroma can calm people's minds. "Compendium of Materia Medica" includes clearing mental qi, nourishing five internal organs, warming kidney and replenishing essence, strengthening yang and removing arthralgia, relieving cough and resolving phlegm, warming stomach and invigorating spleen, ventilating and relieving pain, diuresis and stranguria, and cooling essence for men. It can not only bring people sensual enjoyment, but also have a health care effect on the body.
Incense can use the burning smell to ward off evil spirits, sterilize, wake up, improve intelligence and preserve health. Although the quality of aromatic components ingested by people through breathing is very small, it can affect the whole "nerve-endocrine-immune network" and be "amplified" and "expanded" to cause a series of changes in the human body. When a fragrance makes people have a soothing, relaxing and beautiful experience, it is not only a psychological feeling, but also accompanied by changes in brain waves, hormones, blood pressure and other physiological indicators, thus achieving the purpose of strengthening the body.