Psoralea corylifolia Linn. belongs to family Leguminosae is commonly known as Babchi or Bakuchi, used in Unani and other traditional medicines such as Ayurveda and Siddha. It is also officially listed in Chinese Pharmacopoeia. Babchi seeds are the ingredients of various Unani formulations such as Safoof Bars, Zamad e Bars, Roghan Babchi. It has been used by Unani physicians since antiquity for the treatment of various ailments such as Bars (Leucoderma), Daussadaf (Psoriasis), Juzam (Leprosy), Bahaq (Pityriasis), Tap-e- Balghamiya (Phlegmatic Fever) and Deedan-e-Am’aa (Intestinal worms). Different phytochemical studies reported that psoralen and isopsoralen are therapeutically active constituents found in it. Diverse pharmacological studies of Babchi have been reported such as antipsoriatic, antifungal, antibacterial, antidermatophytic, cytotoxic, antioxidant activity etc. This review summarizes the information described in classical Unani text and scientific research conducted on different parts of Babchi plant.