1. You need to go to the public relations planning office first, otherwise you can't do it later. 2. If the hygiene license and license have expired, they need to be cancelled or re-processed. If they have not expired, they only need to change the legal person. 3. After people leave, apply for health permit, fire control and environmental protection. 4. Finally, apply for a business license. 5. Finally, apply for the tax registration certificate.