1, yogurt drinking time: before meals 1 hour is appropriate. Because porridge, for example, takes about 1 hour from drinking to digesting. The main function of gastric juice is to kill all bacteria. If you drink yogurt after meals, it will be digested by gastric juice together with the food you eat at meals, so the beneficial bacteria in yogurt will also be killed by gastric juice. So it is better to drink 1 hour before meals. Milk can't be drunk on an empty stomach, which is easy to cause flatulence, while yogurt can actually be drunk on an empty stomach. If the stomach is not good, you can wait until the yogurt is at room temperature before drinking. 2. Types of yogurt: What did the landlord say about the yogurt of Yili and Mengniu? It's a drink, and drinking it won't produce the effect of yogurt. I think what you want to drink should be the kind that looks thick in a big bottle or a small bowl. As for brands, you can use big brands or local brands, as long as they are not small workshops or expired, it is best that the factory date does not exceed 10 days.