Abstract: Superabsorbent polymers (SAP) exhibit excellent water retention and storage properties, and is one of the preferred materials for internal curing and enhancing the freeze-thaw resistance of concrete.This paper explores the mechanism by which SAP enhances this property and reviews the effects of various parameters on concrete freeze-thaw resistance. The results indicate that the water release behavior of SAP primarily consists of an osmotic pressure-controlled stage and a humidity-controlled stage. Post water release, SAP forms macro pores and gel pores within the concrete, thereby enhancing its freeze-thaw resistance. Factors such as the dosage, particle size, and mixing method of SAP all influence the freeze-thaw resistance of concrete. The optimal dosage and particle size should be determined based on the water absorbency of SAP and the air-void spacing factor, respectively, with dry mixing being more beneficial for enhancing the freeze-thaw resistance of concrete. In view of the existing problems, it is suggested that the influence of SAP on the freezing resistance of concrete under different water-binder ratio can be studied in the future, establish a correlation model between SAP pore size and frost resistance of concrete under different water-to-binder ratios.