The invention discloses an anti-peep 3D imaging method of a wide color gamut. A multi-color display device simultaneously use different colors to display left and right eye images at the same time, the left eye image provides flat panel display of distant objects and the flat panel display of near objects by the specific wavelength, and the right eye image provides the flat panel display of distant objects and the flat panel display of near objects by the specific wavelength; a left eye lens of 3D display spectacles filters display optical waves of the right eye image, and a right left eye lens filters the display optical waves of the left eye image; and by means of color matching, the shapes and colors of the objects are reduced, the images of the distant objects and the images of the near objects can be constructed. According to the anti-peep 3D imaging method of the wide color gamut disclosed by the invention, a color blending step is adopted in the imaging process, beside the spatial blending of the left and right eye images, for any display area, after the left and right eye images are superposed, the outlines or colors of the objects may change, the images seen by naked eyes are more complex, and thus the anti-peep function is realized.