This paper briefly and systematically introduces the historical process of the emergence of relativity. It is not only profound but also superficial. It also analyses the academic disputes in the field of relativity in the past hundred years, and the various schools produced in the process of disputes, and the evolution process of relativity from rise to decline. In order to pay attention to the field of relativity researchers and readers can comprehensively and systematically understand, popularize knowledge in the field of relativity. Relativity is the pillar of modern physics and cannot be established.
Wave theory; dielectric wave; ether; matter wave; wave-particle duality; special relativity; general relativity; black hole; cosmic big bang; mainstream; school;