Nano capsules are a new type of nanomaterials that are widely used in various fields of science and technology. They are made up of a variety of materials, including polymers, surfactants, and polymers. In this review, we will focus on the recent developments in the field of nanocapsule formulation, focusing on the application of nanocapsules in drug delivery and delivery. We will also review the recent advancements in the fields of drug delivery, nanoencapsulation, nanorobotic systems, and nanorobotics. The List of FDA‐approved nanotechnology‐based products and the clinical trials is also included in this review article.