Go to the local municipal administration and law enforcement bureau to go through the formalities of store head examination and approval, and get the approval form for outdoor advertising with relevant information. After the approval, you fill out the approval form with it and go to the Urban Management Law Enforcement Bureau for approval. The relevant business departments shall conduct examination and approval within 5 working days, and after passing the examination and approval, issue the examination and approval certificate for the decoration of facade houses. The billboard at the door will be included in the outdoor advertising management category. Local urban management departments have different requirements for store recruitment and need to consult local urban management.