If you want to know whether the frozen chicken gizzards you bought in Taobao are safe, you should first check whether the packaging is damaged when you receive it, and then see if its production date and shelf life are within the validity period. If you want to know whether the frozen chicken gizzards you bought in Taobao are safe, you should first check whether the packaging is damaged when you receive it, and then see if its production date and shelf life are within the validity period. If the package is intact and vacuum, it is within the validity period.