Perillae leaf is one kind of commonly used Chinese herb which belongs to the category of treating Exterior syndrome. It has the function of dispelling exterior and cold evil,and relieving Qi stagnation in Stomach. It is frequently used for treating Exterior Syndrome and some diseases associated with inflammation. The volatile oil is one of the major effective components of this herb,but there is few pharmacological researches about its anti-inflammatory function,let alone its mechanism. According...