2. Peppermint is a commonly used Chinese medicine in clinic, which has the functions of dispelling wind and clearing heat, clearing the head, soothing the liver and relieving depression. It can treat headache, dizziness and sore throat caused by wind-heat cold, and is often combined with honeysuckle, forsythia and mulberry leaves. At the same time, it has the function of soothing the liver and relieving depression, and can treat symptoms such as fullness in chest and hypochondrium, nausea and vomiting, headache and breast pain caused by liver depression and qi stagnation. It is often used with herbs such as Bupleurum, Pericarpium Citri Reticulatae Viride, Rhizoma Cyperi and Rhizoma Corydalis.