Yes, mushrooms should be kept in the refrigerator, because it contains water in abundance, so it should be kept in the refrigerator to keep them fresh. Outside, it can stay for a day or two, but in the refrigerator, it can be kept for several days or a week.
![](https://www.wikihow.com/images/thumb/4/4a/Keep-Mushrooms-Fresh-Step-1.jpg/v4-460px-Keep-Mushrooms-Fresh-Step-1.jpg.webp)