用Ｚｅｒｎｉｋｅ位相物体讨论色衬显微镜的编码板同轴度对位相物体观查效果的影响，指出色衬显微镜观查到位相物体的原因正是因为编码板的不同轴，如要观查位相物体的显微图像，需选取恰当的偏心度。 Zernike phase object was used to discuss the effect of code board coaxiality on the observation of phase objects. It is pointed out that the reason why the phase contrast microscope looks into the phase objects is precisely because of the different axes of the code plate. For example, Of microscopic images, need to select the appropriate degree of eccentricity.