Is it illegal to change the door head in a barber shop?

Not illegal. Urban management should not be fined for changing the signboard in the store. Legal basis: Article 11 of the Regulations on the Administration of City Appearance and Environmental Sanitation, outdoor advertisements, placards, galleries, windows, etc. It should be located in a city with healthy content and beautiful appearance, and should be maintained, painted or removed regularly. The establishment of large-scale outdoor advertisements must obtain the consent of the administrative department of city appearance and environmental sanitation of the people's government of the city, and go through the examination and approval procedures in accordance with the relevant provisions. Twelfth city municipal public facilities should be in harmony with the surrounding environment, and keep the facilities intact and clean.