This product is a precision-optimized serum-free, ready-to-use cell cryopreservation medium specifically designed to maintain high survival rates, self-renewal capacity, and multidirectional differentiation potential of embryonic carcinoma (EC) cells during cryopreservation. Its core formulation leverages the synergistic effects of DMSO and specific cryoprotectants, combined with high-efficiency cell viability maintenance factors, to significantly reduce ice crystal damage and oxidative stress caused by traditional cryopreservation methods. This effectively addresses the challenges of low post-thaw survival rates and loss of functional characteristics in cells.