The black hole information paradox has bedeviled theoretical physicists for nearly 50 years since it was entranced. It is regarded as an important approach to study the theory of quantum gravity. The key to the question is whether the Page curve of the black hole evaporation process can be given. However, in the last year, the research of this problem was made a breakthrough. Physicists calculated the Page curve under the semiclassical theory of gravity, showing that information was indeed released during the evaporation of the black hole and no information was lost. This also announces the solution of the black hole information problem. This paper introduces the history and latest progress of the research on black hole information paradox in chronological order.