The historical significance of four great inventions of ancient china;

The invention of papermaking provided economical and convenient writing materials for human beings and set off a revolution of human writing carrier.

The appearance of printing accelerated the spread of culture and changed the situation that only the upper class in Europe could read.

The application of compass in navigation provides important conditions for European navigators to travel around the world and discover the new continent of America.

The use of gunpowder weapons changed the way of fighting, helped the European bourgeoisie destroy feudal fortresses and accelerated the historical process in Europe.

Paper-making, printing, compass and gunpowder weapons are China's great scientific and technological achievements dedicated to the world, which have had a great impact on the historical process of the world.

The invention of papermaking is that human beings have paper, which is the means of production, living and writing that human beings can't do without.

With the invention of printing technology, people have writing tools. It can record everything and promote the great progress of human culture, science and art.

The invention of the compass (Sina) promoted the great development of the navigation industry, and made mankind know the world and the earth. Promoted exchanges between countries.

The invention of gunpowder and explosives enabled human beings to build mountains, bridges and roads, conquer nature and greatly promote the development of productive forces. The application of gunpowder in military and war has caused great changes in the world pattern again and again.