The invention discloses a micro-array type polarized light compass orientation method; a micro-array type polarized light compass mainly comprises a wide-angle lens, a pixel polaroid array and a CCD camera; the method comprises the following steps: building a micro-array type polarized light compass measuring equation, wherein sensor errors mainly comprise CCD camera linear errors and polaroid mounting errors; building an optimization target function to calibrate the CCD camera linear error parameters and polaroid mounting error parameters; finally obtaining the sun orientation according to asky polarization angle mode. The method can effectively improve the micro-array type polarized light compass sun orientation measuring precision, is simple in principle, easy in operation, wide in application scopes, thus realizing the polarized light orientation based on the sky polarization mode.