Each part of Neem tree has various medicinal properties. Non woody part of Neem such as leaf, bark, oil, flowers, fruits and seed show great properties that is Antiallergic, Antifungal, Antibiotic, Antidermatic, Antibacterial, Antiinflammatory, Insecticidal, Larvicidal, Antimalarial, Antiulcer and other biological activities. 5 Some water soluble extract of Azadirachta Indica have great importance in hyperglycemia, hypolipidemia and hypotensive activities. 6 ANTIMICROBIAL ACTIVITY OF NEEM Neem has great Antimicrobial activity it contains 35 biological active compounds. Neem leaf juice and twigs are used to clean teeth and used as a tonic and people of India used to place Neem leaves in their beds, books and cupboards to prevent bugs. 7 A number of potent pharmaceutical compounds limnoods and triterpenoids have been isolated from the fruits and bark of neem tree. Neem extracts and its different constituents play essential role in the inhibition of several microbes which includes viruses, fungi and bacteria. The extracts of methanol and hexane chloroform of Azadirachta indica were selected against antibacterial activity on Escherichia coli, Proteus vulgaris, Klebsiella pneumonia, Bacillus subtilis, Micrococcus luteus, Streptococcus faecalis and Enterococcus faecalis. It was revealed that methanol extract was the most effective, chloroform reasonably effective and hexane extract showed little antibacterial activity. 8 The antibacterial activity of neem describes as fellow. Antibacterial action of neem Neem usually used in medicine and pharmaceutics. The stem and bark of Neem has great antibacterial activity against Klebsiella, Serratia species and Streptococcus. 9 The methanolic extracts of Neem has antibacterial activity against Vibrio cholera and chloroform extracts against E. coli, Bacillus subtilis, Enterococcus faecalis and Streptococcus faecalis. 10 ABSTRACT Neem has become valuable plant in the world which shows the solutions for hundreds to thousands problems. Azadirachta indica (Neem) is a rapidly growing evergreen well known tree found Pada generally in various regions of world like America, Africa and India. It has been widely used in Chinese, Ayurveda and Unani medicines across the world especially in Asians countries for the prevention and treatment of diseases. The different parts of neem plant contain biological compounds responsible for antibacterial, antiviral and antifungal activities. It is considered as safe medicinal plants and modulates the numerous biological processes without any adverse effect. Neem tree produces some active compounds which contain biological activities, parts of neem tree such as Root, bark, leaf, flower, seed and fruit together possesses biological activities. Various compounds have been obtained from various parts of neem. Biological activities of few of them have been studied. Hence, the article is aims to utilize the medicinal properties of whole neem plant in various disorders of mankind.