Plants used in traditional are assumed to be safe due to the long-term use by traditional healers. Herbal medicinal preparations and their proprietary products are being used more and more widely throughout the world for treating varies ailments. Hence evaluating and ensuring their quality becomes increasingly urgent. Many medicinal plants have been found effective in the cure of bacterial diseases. Due to increasing antibiotic resistance in microorganisms and side effects of synthetic medicinal plants are now gaining popularity in the treatment of bacterial infections. Medicinal plants are considered as clinically effective and safer alternatives to the synthetic antibiotics. Moringa oleifera leaves to treat common medical conditions but a few use it for preventing and treating malnutrition. Presence of Phytochemicals indicates possible preventive and curative properties of Moringa oleifera leaves. There is need to carry out more pharmacological studies to support the use of Moringa oleifera as a medicinal plant.