1. According to the inquiry and purchase network, the ingredients are different: Youlugai yogurt is refined from the raw materials of infant milk powder formula, and the milk tastes sweet and smooth. Blue-covered yogurt adopts Greek yogurt fermentation technology, which has richer taste and is more suitable for people who like rich taste.

2. Different series: the green cover is a series of high-quality raw milk yogurt, and the blue cover is a series of Greek yogurt with richer taste.