Cyclic polymers with a ring-like topology and no chain ends are a novel class of macromolecules. Previously a number of a long time, vital advances have been made to organize these fascinating polymers, which permit for the exploration of their topological results and potential functions in numerous fields. On this Evaluate, we first describe consultant artificial methods for making cyclic polymers and their by-product topological polymers with extra advanced buildings. Second, the distinctive bodily properties and self-assembly habits of cyclic polymers are mentioned by evaluating them with their linear analogues. Particular consideration is paid to spotlight how polymeric rings can assemble into hierarchical macromolecular architectures. Subsequently, consultant functions of cyclic polymers in several fields akin to drug and gene supply and floor functionalization are offered. Final, we envision the next key challenges and alternatives for cyclic polymers that will entice future consideration: large-scale synthesis, environment friendly purification, programmable folding and meeting, and growth of functions.