The Nanorobots hold promise for a strong presence in medicine to come. Nanorobots lie in the heart of many proposed solutions of nanomedicine, which includes serving as antibodies in weak immune systems, curing diseases, unresponsive to conventional methods, repairing damaged tissue, unblocking arteries affected by plaque, construction of replacement body organs and more. It proves essential when damage to the human body is highly selective, subtle or time critical. Their characteristics provide faster medical treatment, versatility, reliability, sensitive response threshold, minimum side effects, non-toxic and verification of progress and precision. Nanorobots will patrol in body through blood vessels killing the pathogens & remove or repair the damaged cells thereby improving your immunity and life expectancy too.