The drug delivery system (DDS) refers to the techniques designed to transport medical substances in the body with accuracy in the market, which controls the rate, time and location of drug release. The purpose of these systems is to improve treatment efficacy by reducing side effects by distributing drugs in a controlled manner. Various methods are part of drug delivery system, including injectables, oral pills, transdermal patches, inhalers and implanted devices, which are all designed to increase the patient\'s convenience and therapeutic consequences.