The nutritional value of yogurt is higher than that of milk. Yogurt is mainly made of milk. After fermentation, in addition to the original protein and calcium ions, there are a lot of lactic acid bacteria. After ingestion, it can not only provide abundant energy for the body, but also balance the ion level in the body, adjust the stability of intestinal flora, improve diarrhea and constipation, stimulate appetite, and thus enhance human immunity.