Wind oil essence is a drug that can be used externally or taken orally. The main role of the wind oil essence is anti-inflammatory and analgesic, cooling and relieving itching, expectorant, for the cold and flu caused by headache, dizziness, and joint pain, toothache, abdominal distension, or mosquito bites, motion sickness and other discomforts, can be rubbed on the external surface of the skin, or once orally 4-6 drops can alleviate the above symptoms. For wind-cold type cold, summer-damp type cold, have a certain effect and certain effect, but for acute gastroenteritis or for the gastrointestinal tract has a history of disease patients, such as acute gastrointestinal ulcers, upper gastrointestinal hemorrhage, or to menthol and other patients have a transient allergic reaction, it is not recommended to oral, it is recommended that the external use.