Present generation is a fast moving generation and no doubt about the potency of allopathic medicine, they provide fast result, but the darkest side of this medicine is their several side effects and contraindications. On the other hand the plants are good substitution for those medicines because of their less or no side effect and their ability to cure the problem from their root. The present study is based on the pharmacological activity of Aegle marmelos, commonly known as a bael in India. This plant is having great potential to cure the disease like diabetes, cholesterol, peptic ulcer, inflammation, diarrhoea, and dysentery, anticancer, cardio protective, anti bacterial, anti fungal, radio protective, anti pyretic, analgesic, constipation, respiratory infection, antioxidant, hepatoprotective, wound healing and many more. The present review summarizes the scientific information of various aspects of Aegle marmelos plant used in traditional system of medicine for variety of purpose.