Ocimum sanctum leave are used for treating skin and bronchial problems. Ocimum sanctum oil which obtained from the leave has a good property of destorying insects and bacteria. few drops of leaf-juice are used for curing earache. decoction of leaves along with ginger and black pepper ,used in treating cough, cold and fever. Ocimum sanctum is very useful in the making of ayurvedic cough syrup . Ocimum sanctum is used as major ingredient in preparing cosmetics, soaps, shampoos, powders. Preliminary research suggests that Ocimum sanctum (Tulasi) has anti-inflammatory, antioxidant, and in the case of Holy basil oil, antibacterial capabilities. In Indian studies Ocimum sanctum was shown to help reduce the effects of chronic stress, promote wound healing, lower blood sugar levels in type 2 diabetes, slow age-related memory impairment and lower cholesterol. Current research, both in animals and humans, supports the use of Ocimum sanctum (Tulasi) in treating inflammation, digestive disorders, diabetes, headaches, heart diseases and infection. Ocimum sanctum also protected against mercury toxicity in mice and offered chemoprotection against chemically induced fibrosarcoma in an animal model. Daily usage may help lower cortisol levels which helps lower blood sugar levels and protects the system from stress. Ocimum sanctum (Tulasi) may also benefit the immune system by increasing the number and activity of neutrophil cells, which are normally decreased by stress. Ocimum sanctum (Tulasi) also has antimicrobial properties useful in the topical treatment of ringworm. Ocimum sanctum (Holy basil) contains polyphenols (antioxidants also found in green tea and other herbs) that theoretically could help reduce cardiovascular disease risk: Some test tube studies suggest that polyphenols from Holy basil inhibit the function of genes involved in fatty plaque formation. Eugenol, ursolic acid and rosmarinic acid are the three active compounds that have been identified thus far in Holy basil.