After you buy the book, you'd better put it in the sun to dry. If the book is not damaged, gently wipe it with cotton balls and alcohol, then put it in a plastic bag and freeze it in the freezer for a few days. This will not only kill bacteria, but also make the book as smooth as new.

Freeze disinfection method (simple)

Put the book in a plastic bag and freeze it in the refrigerator for a few days.

Ozone disinfection method (difficult)

Use household ozone disinfection cabinet for disinfection. Put the books in the disinfection cabinet and turn on the power 1 hour or more.

Ultraviolet disinfection (difficult)

If there are special conditions, it is a simple and effective method to kill germs by irradiating books with ultraviolet tubes for more than half an hour.

Chemical disinfectant fumigation disinfection method (difficult)

This method can be used to disinfect a large number of books. If ethylene oxide is selected as a disinfectant, books and documents can be put into nylon bags, polyethylene plastic bags (be careful not to break) or closed containers, and carried out according to the method of "A 14 Clothing Disinfection". The dosage is more than 2 grams per liter of volume, but not too much. Leave at room temperature (about 20℃) for about 20 hours. Because epoxy dioxane has the characteristics of broad bactericidal spectrum and strong permeability, it is very suitable to choose this disinfectant, but attention should be paid to safety when using it. Pay attention to fire and explosion prevention.