Because of its natural origin and significant therapeutic value, the usage of medicinal plants has grown in prominence. Many unique phytochemical components with significant pharmacological activities, including anti-inflammatory, antioxidant, antibacterial, and antidiabetic properties, may be found in the various species of the genus Cassia. These compounds can be used to treat a wide range of medical conditions. This paper discusses the significance of the genus Cassia and many experimental studies done on diverse species of this genus that can help develop a new herbal medication. Keywords: Cassia, Phytoconstituents, Pharmacological Activity, Medicinal Plant.