Lavender is a kind of flower we often see, and lavender essential oil is also often used for body massage. Lavender contains linalyl acetate, which is fresh and fragrant, making people relaxed, fresh and comfortable, and can be extracted into essence, perfume and so on. So it can be used to adjust our mood and make us feel happier. In addition, lavender contains eucalyptol, which can enhance the efficacy of some respiratory drugs and treat respiratory diseases. It also has the effect of suppressing appetite and is used to lose weight with good effect. Thirdly, lavender contains borneol, which has the effects of inducing resuscitation, clearing away heat and toxic materials, reducing swelling and relieving pain. Lavender contains camphor, which, after being absorbed by human body, can produce obvious cardiotonic, booster and exciting breathing effects, and is effective for patients with circulatory failure or acute heart failure.