The materials to be provided for changing the hygiene license are as follows: (1) Original and photocopy of the original hygiene license; (two) if the legal person changes, it is necessary to carry a copy of the changed legal person ID card; If the company name is changed, a notice of pre-approval of the enterprise name shall be provided; If you change the business scope, you need to bring relevant certificates; (3) Altering the agreement. (4) The revised lease contract; (5) The original and photocopy of the business license (original and photocopy); (6) An application report on the change of hygiene license; (seven) the food industry needs to provide the training certificate of the person in charge of the enterprise; (8) Employee health certificate and health knowledge training certificate (reviewed by the supervisor); (9) An application form for change.