Betel leaf (Piper betle L.), a member of the Piperaceae family, is a renowned medicinal plant native to Asia. It has diverse applications in medicine, industry, and pharmaceuticals due to its rich antioxidant and phytochemical content, along with its cooling and refreshing properties. Globally, there are 90 varieties of betel leaf, of which 45 are cultivated in India. This plant is cost-effective, safe, and available year-round. Betel leaf exhibits a wide range of therapeutic properties, including antifungal, antiseptic, antimicrobial, anticancer, antidiabetic, anti-allergic, anti-fertility, anti-filarial, wound-healing, and anti-dermatophytic effects. It also prevents gastrointestinal infections by modulating the immune system and may aid in diabetes management by regulating blood sugar levels. Traditionally, it is used in religious ceremonies and widely consumed after meals to promote digestion. Ayurveda recommends its consumption post-meal for benefits such as enhanced digestion, oral cleansing, cough reduction, and weight maintenance.Its medicinal applications extend to treating wounds, fungal infections, respiratory issues, joint pain, and oral health problems. Betel leaf extracts are also utilized in food preservation for their antifungal properties and in personal care products like toothpaste and perfumes. The review highlights the significance of betel leaf as a versatile botanical resource with immense potential to benefit humanity.