Significance: (1) promoted the religious reform in western European countries, impacted the authority of the Roman church, broke through the imprisonment of theology, liberated people's minds, created a democratic academic atmosphere for the development of natural science, and provided materialistic cognitive methods.

(2) A large number of Greek classics and excellent ideas have been further spread and carried forward, inspiring people to get rid of traditional ideas and advocating rational thinking, which provided rich ideological nourishment for the birth of modern natural science.

(3) A large number of writers, artists and thinkers have emerged, many of whom have made important contributions to natural science and engineering technology. This is "an era that needs and produces giants-giants with thinking ability, enthusiasm and personality, giants with versatility and knowledge."

Function: Engels once spoke highly of the progressive role of the Renaissance in history. He wrote: "This is the greatest and most progressive change that mankind has never experienced. It is an era that needs giants and produces giants-giants in terms of thinking ability, enthusiasm and personality, versatility and erudition. "