Citron and Forsythia are both proprietary Chinese medicines that differ in terms of drug source, specific effects, indications, etc. and need to be analyzed specifically. 1. Origin: Citron comes from the dried mature fruit of Citrus aurantium or Citrus aurantium, and Buddha’s hand is the dried mature fruit of Buddha’s hand, a plant in the family of Rutaceae. 2. Specific effects: Citron has the effects of dispersing the liver and relieving depression (treating depression by dispersing the liver qi), regulating qi and relaxing the middle (regulating the qi of the spleen and stomach), and drying dampness and resolving phlegm (removing phlegm in the body by drying dampness), while Forsythia has the effects of dispersing the liver and regulating qi (regulating the liver qi stagnation), harmonizing the stomach and relieving pain, and drying dampness and resolving phlegm. 3. Indications: Citron can be used for the treatment of chest and hypochondrium (chest and rib area) distension and pain, vomiting and belching (hiccup), phlegm and cough caused by stagnation of liver and stomach qi; Forsythia can be used for the treatment of gastric and epigastric plumpness (stomach distension and discomfort), low food and vomiting, cough and phlegm caused by stagnation of liver and stomach qi. Adverse effects and contraindications of Fosetyl and Citron are not known. If you need to use the drug, it is recommended to use under the guidance of a doctor, avoid unauthorized use of drugs, so as not to cause adverse consequences.