Nanotechnology is the study of small objects that can be used in other fields of science like chemistry, material science, biology, and physics, etc. For the drug delivery system, nanobiotechnology has high potential and many biomedical applications. In medicine, nanotechnology applications are playing a significant role in drug targeting, molecular imagining, disease diagnosis, etc. In order to prevent and treat different kinds of diseases, nanotechnology is playing an important role in recent years.