To provide an invention and promotion system and an invention promoting method capable of advancing a technical level from a foundation by finding many inventions or ideas and promoting the inventions or ideas.

This invention and promotion system connected to a plurality of terminals through a network is provided with a technical task inviting means for inviting some technical task or information about a technical demand from the plurality of terminals through the network, a technical task registering means for associating the technical task or information about the technical demand provided from the plurality of terminals through the network with information about its provider for registration in a database with respect to an invitation by the technical task inviting means, and an invention inviting means for providing the technical task or information about the technical demand registered in the database to a prescribed terminal among the plurality of terminals through the network, and inviting information about an invention or idea to solve the technical task or the technical demand from the prescribed terminal through the network.