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The time jitter and delay resolution of the trigger signal are the keyparameters in synchronization system.The technology of synchronization trigger signal generation is proposed. The phase difference between the reference trigger signal and the system clock signal is measured to compensate the system clock phase, to reduce the time jitter of the synchronous trigger signal.also use the counter combined with programmable digita delay scheme to improve the time delay resolution of trigger signals,finally get 20 channels of synchronous trigger signal output.The experimental results show that the time jitter peak and peak value of the output synchronous trigger signal and the input reference trigger signal are less than 500 picoseconds ,and the delay resolution is 250 picoseconds ,which meets the requirements of the synchronous trigger signal of the system requiring precse timing control.