The first market supervision documentary program in the country, "Hello, 12315", takes the market supervision and management offices of three cities as the entry point, and truly records the daily life of law enforcement personnel of grassroots municipal supervision bureaus in maintaining market order and cracking down on illegal behaviors, directly hitting the focus of the people's "urgent, difficult, and anxious" and showing their enthusiasm and wisdom in law enforcement and assistance. At the same time, popularize common sense such as consumer rights and food safety, and presenting the invisible power behind protecting people's lives. ccc。