Lemongrass should refer to lemongrass, with lemongrass water bath has a certain effect such as expelling wind and collaterals, specific should follow the doctor’s advice to use. Lemongrass is the whole grass of lemongrass into medicine, taste pungent, sweet, warm, lemongrass has the effect of warming the middle to relieve pain (by warming the spleen and stomach to relieve pain), eliminating the wind and stopping diarrhea. It can be used to treat wind-cold and dampness paralysis, head and body pain from cold, diarrhea, cold pain in the stomach and abdomen (stomach and abdomen feel cold and painful), bruises and injuries. The use of lemongrass can be decocted and taken internally, and externally it can be decocted and washed with water, or powdered and applied externally. Lemongrass treatment of wind-cold and damp paralysis, external wind-cold pain caused by the whole body, can be used to decoction of water bath. The adverse reactions and contraindications of Citronella have not been clarified. Patients with discomfort are advised to consult a doctor in time and standardize treatment. If you need to use lemongrass to treat the disease, need to be identified by a doctor to use medication.