Cyclic polymers with a ring-like topology and no chain ends are a novel class of macromolecules. Up to now 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 Assessment, we first describe consultant artificial methods for making cyclic polymers and their spinoff topological polymers with extra advanced constructions. 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 focus on how polymeric rings can assemble into hierarchical macromolecular architectures. Subsequently, consultant functions of cyclic polymers in several fields similar to drug and gene supply and floor functionalization are offered. Final, we envision the next key challenges and alternatives for cyclic polymers which will entice future consideration: large-scale synthesis, environment friendly purification, programmable folding and meeting, and enlargement of functions.