This product is a freeze-dried powder of selected high-quality Weizmannia coagulans processed through high-temperature drying technology. The excipients include the culture medium and protective agents of the strain. The product is in powder form, free of visible impurities to the naked eye, and has a color ranging from white to light yellow. It has a distinctive aroma of milk and features outstanding characteristics such as heat resistance, acid resistance, salt resistance, and long-term stability. It can be widely used in the processing of various products such as snacks, beverages, meat, baked goods, and ice cream.