Lemongrass for the Chinese medicine lemongrass alias, lemongrass bubble drink has a certain expectoration of wind and collaterals (to get rid of the wind, dredge the meridians) and other efficacy, but the effective dose of bubble drink is limited, and often do not achieve the role of treatment of disease. It usually needs to be reasonably prepared and boiled correctly to realize the curative effect. Lemongrass is a kind of traditional Chinese medicine, also known as lemon grass, lemon grass, lemongrass, etc., for the graminaceous plant green lemongrass and its several species of plants of the same genus of dried stems and leaves. It has the efficacy of dispelling wind and collaterals, dispelling cold and relieving menstrual pain, etc. It is used for the treatment of paralysis, mouth and eyes slanting, dementia and forgetfulness, cold pain and menstrual closure. Its adverse effects and contraindications are not clear. If there is a need for medication, need to be used under the guidance of a doctor to identify the evidence, not blindly use their own medication, so as not to cause adverse consequences.