For the resale of semi-finished products after purchasing and packaging, once it involves the production, processing, storage and sales of food, even if it is only packaging, it is necessary to apply for a food business license. What kind of food business license to apply for depends on the specific business model and operation process of the merchant.

According to the provisions of the Measures for the Administration of Food Business License and Filing, those who engage in food sales and catering services within the territory of People's Republic of China (PRC) shall obtain a food business license according to law, and these Measures shall apply to the application, acceptance, examination, decision, filing of food business license only in prepackaged foods and related supervision and inspection work.