The police station can't check whether the gym has a fire certificate. Police stations are usually grass-roots public security organs, responsible for public security management, public security entry and exit, traffic management and so on. , is not directly responsible for checking the fire certificate of the gym. The fire department is responsible for supervising and managing the fire safety of buildings and places, including checking whether there are fire control facilities and fire control certificates. The fire department is responsible for supervising and managing the fire safety of buildings and places, including checking whether there are fire control facilities and fire control certificates. Police station is the basic unit of public security organs in China, which is mainly responsible for public security management and daily police work.