This product maintains SP2/0-Ag14 cells in optimal growth conditions. It contains all components necessary for SP2/0-Ag14 cell growth, requiring no additional additives and enabling direct use for in vitro culture of SP2/0-Ag14 cells. The medium features the following characteristics: 1. This product is free of any animal-derived components (ADCF). 2. This product contains amino acids, vitamins, glucose, lipids, inorganic salts, growth factors, hydrolysates, and trace elements, and is free of peptides.