Polymers are extensively used in the transport of drugs due to their advanced residences and mass. They are used in the manufacture of medication and in drug delivery devices. These drug shipping gadgets can be within the form of controlled drug shipping plant life. The polymers used in colloidal drug delivery structures, which include small debris, display good sized advantages in drug transport systems because of stepped forward drug loading and release homes. Polymeric nano particulate structures are to be had in many types and form chemical substances. Non-poisonous, decaying and biocompatible polymers are to be had. Some nano particulate polymeric structures have the ability to cross the blood-brain barrier. They provide protection from chemical damage. Clever polymers react to stimulus in the environment as temperature adjustments; strain, pH and many others. Consequently they are very useful in targeted drug transport. Some polymeric systems combined with sure antibodies / biomarkers help within the targeting of unique molecules especially in cancer. More lined with thiolate PEG, Silica-PEG improves water solubility and picture stability. Rehabilitation of drug vendors e.g. PEG or dextran attachments to the lipid bilayer increase their blood flow time. Polymer compounds which includes Zoladex, Lupron Depot, On Caspar PEG intron are used to deal with prostate most cancers and lymphoblastic leukemia. Polymeric drug shipping structures are used for managed drug shipping that ensures affected person compliance.