Legal analysis: in general, the food business license can be done within 20 working days. After a decision is made to grant the business license, the food business license shall be issued to the applicant within 10 working days from the date of the decision.

Legal basis: "Food Business License Management Measures"

Article 2 In the People's Republic of China *** and the State, engaged in the sale of food and food service activities, shall obtain a food business license in accordance with law.

This Measures shall apply to the application, acceptance, examination and decision of food business license and its supervision and inspection.

Article 3 The food business license shall follow the law, openness, fairness, justice, convenience and efficiency.

Article IV of the food business license to implement the principle of a license, that is, food business operators in a place of business engaged in food business activities, should obtain a food license.