Nanorobotics is emerging as a demanding field handling miniscule things at molecular level, and it's mainly used for medical applications. Nanorobots are nanoelectromechanical systems designed to perform a selected task with precision at nanoscale dimensions. The design of nanorobots springs from biological models, specifically within the behavior of bacteria. The various components within the nanorobot design may include onboard sensors, motors, manipulators, power supplies, and molecular computers. But the blood at nanoscale becomes viscous and sticky fluid which doesn't let the submarine to drive along the vessels. Another phenomenon that might not let the submarine to travel is that the Brownian movement of the molecules; the collisions between molecules are incontrollable and unpredictable. Bacteria visit the food sources and move far away from the areas where they detected dangerous substances. They have a sort of sensors spread through their cellular wall which detect the food and transmit signals to the motors that control the rotation of the flagella. As higher is the concentration of the molecules, the faster the bacteria will travel to the area where the nutrients are. If they found an area with dangerous substances sort of a salt concentration area, the sensors stop them with the flagella, and alter their direction. They made a balance between the positive and negative molecules that they found and if the valance is positive they continue travelling forward, and if it's negative they rotate. As a response they might emit an influence signal proportional to the detected amount. This system would maintain the robot within the pursuit of its objective. Nanorobots allow drugs of nanosize to be utilized in lower concentration and have an earlier onset of therapeutic action. It also provides materials for controlled drug delivery by directing carriers to a specific location. The nanorobots are often attacked by the host’s system. To avoid that, the simplest choice is to possess an exterior coating of passive diamond. The smoother and flawless the coating, the lesser is that the reaction from the body’s system. Nanorobots have many applications, but there are getting to be explained the foremost interested ones. Many companies related with biotechnology try to seek out the right thanks to manipulate the RNA (ribonucleic acid) and block genes which generate proteins related to different diseases such as cancer, blindness or AIDS. However, this is often the primary mechanism which during a position is ready is in a position to enter in a cell and manipulate the RNA. The nanorobots or nanoparticles are made with a mix of a polymer and a protein called transferrin which has the capacity of detecting tumor cells due to its molecular particularities. Once they're within the cells the chemical sensor gives the order to dissolve; and when nanoparticles are dissolved they let free some substances which actuate on the RNA. Specifically, what the nanoparticles deactivate is that the ribonucleic reductase, the protein related to the cancer growth which is fabricated by the disabled gene. There is another quite nanoparticles for the treatment of the cancer: magnetic particles. These ones are used in a different way. When they arrive to the cancer cells, microwaves are applied from outside, the particles are excited and that they burn the cancer cells. Glucose carried through the blood stream is vital to take care of the human metabolism working healthfully, and its correct level may be a key issue within the diagnosis and treatment of diabetes. In the medical nanorobot architecture, the many measured data are often then transferred automatically through the RF signals to the mobile carried by the patient. In the simulation, the nanorobot is programmed also to emit a sign supported specified lunch times, and to live the glucose levels in desired intervals of your time.