Bergamot, also known as fragrant lemon and fragrant lemon slices, is the fruit of bergamot, a small evergreen tree or shrub of Rutaceae. Bergamot is mainly produced in Fujian, Guangdong, Sichuan, Zhejiang and other provinces. Among them, Zhejiang Jinhua bergamot is the most famous, known as the "Golden Bergamot", and is called "the fairy product in the fruit and the wonderful flower on earth". Bergamot belongs to the genus Citrus in Rutaceae. Its characters are similar to those of citrus and pomelo, and it is closely related to citron and lemon. Bergamot originated in India, a country of Buddhism, and was introduced to China for cultivation. Traditional Chinese medicine believes that this product is pungent, bitter and warm, enters the liver, spleen, stomach and lung meridians, and has the functions of soothing the liver, regulating qi, eliminating dampness and resolving phlegm. It is suitable for hypochondriac pain and chest tightness caused by liver depression and qi stagnation, abdominal distension, anorexia, stomachache, belching, nausea and cough with excessive phlegm caused by spleen and stomach qi stagnation. "Notes on Materia Medica" records that "regulating qi and relieving exterior syndrome is quick, but it is suitable for patients with stagnation of liver and spleen". "Compendium of Materia Medica" records that "bergamot is pungent and non-toxic; Indications: reducing qi, eliminating phlegm and benefiting water in the heart; Drink soju to treat phlegm and cough; Boil soup and cure the pain in your heart. " According to modern medical analysis, dried bergamot contains limonin, trace geraniol and hesperidin, and various vitamins. This product can dilate coronary artery and inhibit isolated intestinal movement. Rhizoma Cyperi: Efficacy: Soothing the liver and regulating qi, regulating menstruation and relieving pain. Application: stagnation of liver qi, chest distress and hypochondriac pain, stomach pain, abdominal pain, irregular menstruation, chest hypochondriac pain, etc.