No, microorganisms (such as molds and yeasts) need oxygen to survive, so vacuum packaging bags use this principle to pump oxygen out of vacuum packaging bags, so that microorganisms lose their "living environment" and will not give birth to bugs.

In addition to no insects, vacuum packaging also has the following functions:

It has the functions of pressure resistance, gas resistance and freshness preservation, and can effectively maintain the original color, fragrance, taste, shape and nutritional value of food for a long time.

Prevent food from being oxidized, because fatty foods contain a lot of unsaturated fatty acids, which are oxidized by oxygen, making food taste bad.