Door head refers to the trademark brand of a store, and business license refers to the industrial and commercial registration name of the store owner.

Business license is a certificate issued by the administrative department for industry and commerce to industrial and commercial enterprises and individual operators to engage in certain production and business activities. Its format shall be uniformly stipulated by the State Administration of Market Supervision. The registered items include: name, address, person in charge, amount of funds, economic composition, business scope, business mode, number of employees, business period, etc. Business licenses are divided into originals and duplicates, which have the same legal effect.