Nanotechnology subterranean insect its applications have rose as one of the focal new technologies in the 21st century. In the most recent decade a great many researchers and technologists are utilized around there, an awesome number of licenses and logical distributions have been distributed countless products have overflowed the market of the created world and unavoidably a lot of cash are put resources into Research and Development in the most progressive technological nations. Future prospects in various fields of Nano applications appear to be boundless and its high potential will influence our daily life, our health and the environment in the years to come. Nanomaterial found applications in the fields of buyer items (beautifiers, materials, symptomatic materials, individual care items, paints, and so forth), food, energy, medicines, computers, convenient phones and an awesome assortment of different scientific fields. Be that as it may, in recent years, researchers and environmentalists are pondering conceivable risks to human health coming about because of Nano particulate exposures in the working environment, after contact with consumer products and through environmental pollution. The necessities for proper health risk evaluation and safety regulations of Nano-materials are being investigated. Additionally, environmental pollution and the destiny of Nano-materials in the natural environment, particularly in the oceanic environment, are a portion of the colossal worries to researchers and environmentalists. Moreover, the survey inspects the future necessities for making Nano-technology safe for the buyer, the modern specialist and less contaminating for the environment and the environments. In view of the current toxicological outcomes, researchers give a proposition on how chance evaluation in the Nano field could be accomplished and how it may look like in the near future.