In many concrete projects, traditional concrete types like naphthalene-based due to limitations in their technical performance are increasingly unable to meet engineering demands. The new-generation water-reducing agents, polycarboxylate-based, which are garnering attention both domestically and internationally, truly design effective molecular structures based on the dispersion mechanism of cement, offering ultra-dispersion properties. They prevent concrete segregation without causing significant retardation, exhibit high plasticizing effects at low dosages, maintain good fluidity, have a wide adaptability to cement, allow for a high degree of freedom in molecular structure, and offer ample room for synthetic techniques. These features include reducing concrete shrinkage and low content of harmful substances, granting concrete exceptional workability, good strength development, excellent durability. The polycarboxylate-based water-reducing agents possess superior comprehensive technical performance and environmental benefits, aligning with the needs of modern concrete engineering.