Field Programmable Gate Array (FPGA) was a new material Programmable Logic Units in end of the 20 th century, FPGA was with some properties such that, large memory of capacities, short delays of time, improvement able & flexibilities etc. On the basis theory of Neural Fuzzy System of Networks (NFSN), this paper gives a FPGA method of DNMA (Dynamic Numbers Measuring Algorithm) with VCN (Variable Carrying Numbers). The algorithm takes a reusing technique of VCR (Variable Carrying Rules) path, a process of middle-data to be shaped & placed in RAM. In the deep research & analysis of testing, this algorithm is practicable.