Shenzhen food business license can be used when it is decorated. For enterprises whose decoration has been completed, they can submit the decoration completion acceptance and related materials to the local food and drug supervision and management department and apply for a food business license. After the examination and approval, the food business can be officially started. According to the relevant regulations, the food business license is a necessary license for catering or food-related enterprises to operate food business. In Shenzhen, enterprises must apply for and obtain a food business license before starting to operate food business.