1. Yogurt can be eaten in the freezer. Yogurt can still be eaten after thawing in the refrigerator. But don't put yogurt in the refrigerator for too long. Some fungi can't keep active in frozen environment.

2. Lactic acid bacteria in yogurt have a certain temperature range. The sub-zero temperature in the freezer will make lactic acid bacteria lose their activity, and yogurt will have no nutritional value.