Using the invariance in saptial rotation. inversion of space and time reverse during the interaction of nucleons. general form for the amplitude of scattering of polarization nucleons that spins are halves have been obtained. 利用核子相互作用中的空间转动,空间反演和时间反演的不变性,求得自旋为1/2的极化核子散射振幅的一般形式。