Innovations are usually created by the professionals of manufacturing, such as researchers and developers etc. Hippel has pioneered the concept of "user innovation". The users are increasingly able to innovate for themselves. Information technology (IT) has been developed further. I propose "crowdinnovation", which general public (crowd) is the center of innovation. The following concepts have existed to obtain something from “crowd" by IT. “Crowdstorming" create ideas, “crowdfunding" obtain funds, and “crowdsourcing" get human resources. By the strategy to select and integrate these systems, "crowdinnovation" became possible. It became the challenge for companies that how to use “crowdinnovation."