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ETHNOPHARMACOLOGICAL RELEVANCE Fructus Gardeniae (FG) is the dried fruit of Gardenia jasminoides Ellis (GjE), which belongs to the family Rubiaceae. FG has a long history of use as a herb, and was originally recorded in Sheng Nong's herbal classic. FG has also been widely used as both medicine and food. AIM OF STUDY This review aimed to provide a systematic and comprehensive analysis of the current research progress of FG in terms of ethnopharmacology, phytochemistry, pharmacology and toxicity, to provide new insights and extensive field of view for subsequent studies. METHODS Scientific databases, including CNKI, VIP (Chinese literature), PubMed, Science Direct, Elsevier and Google Scholar (English literatures) were searched to gather data about FG and its main active ingredients such as geniposide and genipin (only regarding toxicity). RESULTS Many chemical constituents have been identified from the fruit of GjE, including iridoids, terpenoids, flavonoids, organic acids, volatile oils and others. The constituents of different parts of FG and processed FG are different from those of whole FG. FG extract and its main active constituents have been reported to have pharmacological properties such as hepatoprotective, choleretic, anti-inflammatory, antioxidant, neuroprotective, anti-diabetic, anti-apoptotic and antitumor activities. However, an increasing number of studies have shown that FG induces multiple organ injury, especially causing hepatotoxicity and nephrotoxicity, which could increase the risk during clinical use. The available literature shows that geniposide, a major active component of FG and a critical marker for its quality, is associated with the pharmacology and toxicity of FG. CONCLUSION Although a large number of studies examining FG have been published, issues remain. In the aspect of FG's pharmacology, the traditional efficacy and modern pharmacological effects of FG should be combined, which to broadens clinical application prospects. In addition, few studies have assessed the toxicity of FG. Toxicity assessment of FG should tackle various aspects, including compatibility, processing and the symptom-based prescription theory, in addition to over-dosage or long-term use, for a reasonable clinical use.