Peppermint has the following effects: 1, peppermint is a Chinese herb has the effect of clearing heat and detoxification, cooling the blood to stop bleeding, peppermint can be used to treat diseases caused by excess internal fire and heat, such as nasal congestion, runny nose, cough, coughing phlegm, mouth and tongue sores, ulcers at the corners of the mouth, mouth ulcers, etc. 2, peppermint to the liver meridian has the effect of clearing liver fire, due to liver fire caused by the disease can also use peppermint to treat, such as blurred vision, dry eyes, itching, headaches, dizziness, tinnitus, deafness and other diseases. The effect of using peppermint to treat headaches caused by anger is also relatively good.