The control of moisture is closely related to the yield of the product. In the case of food, bacteria and mold in food will multiply at an alarming rate under appropriate temperature and humidity, causing food to spoil, causing moisture and discoloration. Electronic products can also cause oxidation of metals due to excessive humidity, which can cause defects. Therefore, storage box dehumidifier can protect them. There are many places where the dehumidifier box for damp rooms can be used. It can be used not only for wardrobe dehumidification, but also for the computer, piano, bedroom, camera, stereo, etc., which can be used for dehumidification. The hygroscopic box is a must-have for the family, especially in areas with relatively humid climates. It is necessary to have a hygroscopic box in the home.