The certification of canteen catering service pays attention to substantial issues such as hygiene and food safety, while the certification of green catering management service in canteens (group meals) pays more attention to environmental protection and sustainability.

1. The certification of canteen catering service refers to the evaluation and certification of canteen catering service to verify that the catering service meets the requirements of relevant regulations and standards. The certification can include the audit of restaurant hygiene, food safety management, staff training, environmental facilities and so on. Through certification, the quality of catering service and market competitiveness can be improved, and the health and rights of diners can also be guaranteed.

2. The qualification certification of green catering management service in the canteen (group meal) is aimed at the catering service in the canteen or group meal, mainly focusing on the environmental protection and sustainability of the catering process. The certification content includes the requirements of food procurement, processing and production, kitchen waste treatment, etc., aiming at promoting enterprises to pay more attention to environmental awareness in their daily production and operation and actively build a green catering system. This certification can improve corporate image and market competitiveness, and also help enterprises to fulfill their social responsibilities and implement sustainable development strategies.