Montmorillonite desiccant is made from raw bentonite, characterized by: being a purely natural product, extremely fast adsorption rate, higher adsorption capacity, 100% biodegradable, non-toxic, non-corrosive, environmentally friendly, and low cost, serving as an alternative to silica gel desiccants. The product exhibits good adsorption performance at room temperature and general humidity, with features such as adsorption activity, static dehumidification, and odor removal. Other characteristics: montmorillonite is low-cost, has a fast adsorption speed, and low preparation cost. Compared to other types of desiccants currently on the market, it not only adsorbs quickly and has high adsorption capacity but is also particularly safe for human health when used in food packaging. Application scope: Widely used in products that cannot be preserved with oil sealing or vapor phase storage.