Mint is a widely used plant medicine and food additives,whose main component is menthol. It has been found that menthol has many physiological functions such as anti-inflammation,analgesia,antibacterial and antiviral. In recent years,a number of studies found that menthol had obvious antitumor activity and could inhibit the growth and evolution of a variety of malignant tumors. However,some studies also found that using menthol cigarettes products could result in significant higher incidence of lung cancer ...