The amalgamation, characteristics, particulars, plan depiction, and usage of magnetic nanoparticles, as well as the security and biocompatibility of Nano structured frameworks, are all included in this study. A nanoparticle is defined as a substance having three equal nanoscale measurements on the exterior. Nanoparticles have the benefit of being able to be precisely moved and targeted on a certain natural material or marker on a cell (10–100 nm), sub cell (20–250 nm), protein (3–50 nm), or hereditary scale (10–100 nm) scale because to their small size. It is possible to add cytotoxic medicines for targeted chemotherapy or restorative DNA to treat a genetic defect by functionalizing the polymer or metal coating. Their unique electrical, optical, and magnet characteristics, as well as their precise measurements, have contributed to their popularity in this area. Nanoparticles may also be changed for a specific natural purpose, such as cell seclusion, medication delivery, diagnostics (magnetic reverberation imaging MRI), cell imaging, and heat. Quantum specks and magnetic nanoparticles are examples of nanoparticles (MNPs). The main focus of this paper will be magnetic nanoparticles.