介绍了光子计数方法下的波前处理机的构成及工作原理，解决了弱光条件下的光子脉冲计数，并以ＴＭＳ３２０Ｃ２５高速数字信号处理器为核心，快速完成了波前相位计算，波前重构，控制信号的并行输出及波面信息的实时监测。 The structure and working principle of the wavefront processor under the photon counting method are introduced. The counting of the photon pulses in the low light condition is solved. The wavefront phase calculation is completed quickly with the TMS320C25 high speed digital signal processor as the core. Structure, control signal parallel output and wave surface information real-time monitoring.