The invention discloses a flowmeter NB-IoT acquisition box. The flowmeter NB-IoT acquisition box comprises a field controller, as well as an A/D conversion interface, a power supply and a communication module which are connected to the field controller, wherein the A/D conversion interface comprises at least two jacks matched with a flowmeter; the field controller, the A/D conversion interface, the power supply and the communication module are packaged inthe acquisition box; the jacks of the A/D conversion interface and an interface of the power supply are arranged outside the acquisition box;and the flowmeter NB-IoT acquisition box further comprises at least one flowmeter, and the number of the flowmeters is not less than that of the jacks. As the flowmeters are integrated and then connected to the field controller, and the field controller is in charge of connection with the outside, so that use of the communication module is reduced, the cost is lowered, and meanwhile, the probability that a communication signal is interfered is reduced.