The invention discloses an intelligent metering tank management system which comprises a handheld operation device, a metering tank management device and a remote monitoring system. The handheld operation device comprises a first controller, the metering tank management device comprises a second controller and a door lock which are positioned in a metering tank, the second controller is in communication connection with the door lock, the remote monitoring system comprises a third controller, the third controller transmits inspection instructions and/or opening and closing instructions for controlling the door lock to open and close to the first controller, the inspection instructions and/or opening and closing instructions are stored by the first controller, the door lock receives the opening and closing instructions transmitted by the first controller to generate opening and closing real-time information, the opening and closing real-time information is stored by the second controllerand then transmitted to the third controller, and the second controller generates inspection real-time information according to the inspection instructions transmitted by the first controller and transmits the inspection real-time information to the third controller. According to the system, tank door detection, inspection and clock punching and informatization and intellectualization managementof the remote monitoring system are achieved by the aid of communication among the handheld operation device, the metering tank management device and the remote monitoring system.