There is a huge difference between the result derived from the principle of light wave interference and the objective fact: (1) the farther the propagation distance is, the larger the light wave, so the larger the light spot should be. (2) Interference only occurs on the way from the double-slit device to the light target. If the distance is longer, there should be more interference points to make the pattern brighter. (3) The stripes along the road are continuously modified by interference, so the pattern obtained by moving the light target should change with the distance. (4) Because the principle is exactly the same, interference stripes should appear at the same time with a dispersive effect. (5) The products of light wave interference should be the new light waves that diffuse around the interference point as the center of the ball. They will not only trigger more interference, but also make the increment mode of light wave form an exponential infinite iterative cycle. This would create a singularity similar to Big Bang. (6) Dark stripes are generated not by sustainable interference but by one-off annihilation. (7) If the light source is replaced by another wave source, the corresponding results cannot be obtained by double-slit, Michelson–Morley and refraction tests. (8) Let alone a photon passing through two slits at once, since the stripes are much fainter than the source, it proves that light cannot pass through any untargeted slits. (9) It is impossible to generate anything from the interference point of size 0. (10) In the causality test, the light that has collapsed into particles should be reapplied to the double slit to verify whether it can produce stripes. (11) If "observation can tamper with results", then this phenomenon is also known through observation, which means that it has been tampered with. (12) As a feature unique to light but not to other forms of waves, the polarization absence interference condition is a major defect. (13) Refraction principle: Similar to driving, the light beam turns to the side that decelerates first. (14) The simplest fundamental principles of optics are reflection and focus, but they are followed by light rather than light waves. (15) The wavelet source principle applies only to water waves but not to light waves. (16) Because the direction of vibration and propagation is orthogonal, the s-wave cannot produce the Doppler effect. The absence of the Doppler effect in binary star systems orbiting each other is an objective astronomical phenomenon, which has been mistaken for hard evidence that the speed of light does not change. This phenomenon proves that the redshift must be a misunderstanding of other astronomical phenomena and that all celestial bodies cannot have direct evidence of the Doppler effect. The absorption spectrum of hydrogen is not radiation, and the redshift data are disputed. Redshift cannot turn light into circular magnetic lines. The gravity provided by dark matter will destroy the solar system. Hubble's law of the absence of redshift is wrong. (17) Secondary light source, barely make light in transparent medium propagation principle can be justified, but not for opaque medium.