Human Embryonic Feeder Cell Medium is a rigorously optimized, dedicated serum-free formulation designed to provide a stable and safe feeder layer culture environment for the high-quality maintenance and expansion of human embryonic stem cells and induced pluripotent stem cells. Its core components precisely mimic in vivo developmental conditions, efficiently supporting feeder cell growth and functional expression. This ensures continuous secretion of essential growth factors and extracellular matrix, providing the critical foundational support for maintaining pluripotent stem cells in an undifferentiated state with high activity and genomic stability. This comprehensively enhances the reliability and reproducibility of stem cell-related basic research and clinical applications.