Vinegar Fragrant Forsythia is a vinegar product of the traditional Chinese medicine Fragrant Forsythia, whose efficacy, action and side effects are not different from those of Fragrant Forsythia, i.e., it has the efficacy of relieving the liver of depression (treating depression by unblocking the liver’s qi), regulating qi to broaden the middle (regulating the qi of the spleen and the stomach), and regulating menstruation to stop pain (regulating menstruation and relieving menstruation pain). The medicinal source of Fragrant Forsythia is the dried rhizome of Salvia officinalis, while Vinegar Forsythia is processed by taking clean Forsythia and frying and drying it according to the method of vinegar-roasting. Xiangshu is pungent, slightly bitter, slightly sweet, neutral in nature, and belongs to the liver, spleen and triple jiao meridians. It has the efficacy of dredging the liver and relieving depression (treating depression by dredging the liver’s qi), regulating qi and relaxing the middle (regulating the qi of the spleen and the stomach), and regulating menstruation and relieving pain (regulating menstruation and relieving menstrual pain). It can mainly be used to treat liver depression and stagnation of qi (poor qi and blood transportation of the liver, emotional depression), distension and pain in the chest and hypochondrium (a collective term for the chest and rib area), hernia pain, breast distension and pain, stagnation of qi in the spleen and stomach, plagued and distended pain in the epigastrium (abdomen), menstrual disorders, menstrual pain and dysmenorrhea, and other conditions. There are no obvious side effects, but it should be used with caution in cases of qi deficiency without stagnation, yin deficiency with blood heat (manifested by symptoms such as heartburn and thirst, dry mouth and itchy throat, hot flashes (bursts of fever), red cheeks (reddish color of cheekbones), etc.). If medication is needed, it is recommended to be guided by a professional Chinese medicine practitioner after identification and use it in strict accordance with the doctor’s instructions to avoid medication risks. If discomfort occurs after use of the medicine, prompt medical attention should be sought.