The utility model discloses a measurement and control device based on an FPGA (field programmable gate array), which comprises an ARM processor, an Ethernet interface and a man-machine interface, wherein the ARM processor is connected with the Ethernet interface and the man-machine interface. The measurement and control device is characterized in that the device further comprises the FPGA (field programmable gate array); the FPGA is connected with the ARM processor; analog quantity signals required to be measured by all electric power circuits are connected with 16-bit differential AD chips; and a plurality of AD conversion chips are connected with the FPGA through an address line and a data line. The measurement and control device can individually track the circuits at different frequencies to reduce errors caused by different frequencies and effectively improve the measurement precision; the hardware FFT calculation is used to effectively solve the problems of large number of sampling circuits, multiple sampling points and large calculation amount when a bottleneck is calculated; and the FPGA is adopted to replace a DSP and a special functional chip, so that the system hardware is simplified.