In the advanced treatment of wastewater, covalent organic frame material (COFs) resin has attracted much attention due to its unique properties. COFs resin has uniform and adjustable pore size, which can efficiently adsorb and separate harmful substances in wastewater. Its functions can be customized to adapt to different pollutants. High specific surface area and high porosity enhance the adsorption capacity. Stable structure, not easy to swell to ensure the stability of the treatment process. COFs resin can be used as adsorbent or catalyst carrier for wastewater treatment.