Disposable epidemic prevention materials require a sales license for disposable epidemic prevention materials and a medical machine production registration certificate and license. They also need to have corresponding national standards or industry standard test reports. The qualifications required for selling disposable epidemic prevention materials must be determined according to the classification of the medical mask. If it belongs to the first-class medical device mask, it needs a business license. If it belongs to the second-class medical device mask, it needs to have a business license and the second-class medical device operation. Registration certificate.