The method for wavelet transform kernels is designed based on FPGA; Describe the working principle of the wavelet transform and its FPGA implementation, use FIR filter banks to achieve the Mallat algorithm of the wavelet transform. Through the design ideas of top-down and the verilog language, compile and simulate the system in QuartusII and ModelSim. Eventually be parameterized, to achieve the specific IP cores of the parameters are adjustable. Proven the system is reliable, fully meet the requirements of real-time.