[Technical Problem];It is an object to provide a microchip solution sending system that is provided with the high reaction efficiency and the high detection accuracy.;[Solution of Problem];A microchip solution sending system comprises a fine flow passage that is provided with a reaction field to which an antibody that reacts with a specific antigen is fixed and a solution sending pump that is configured to send a specimen material solution that includes the specific antigen, wherein a specimen material solution passes through a reaction field of a fine flow passage in a repetitive manner in the case in which the solution sending pump sends the specimen material solution, and a flow rate of a specimen material solution that is sent by the solution sending pump is in the range of 1,000 μl/min to 50,000 μl/min.
