Abstract: There is provided a genome analysis device configured to analyze genome data including a large quantity of fragmented genome base sequences, and transmit output data concerning the genome data in response to an output request from a client device connected via a network, the genome analysis device including; a storage unit for storing data for visualization of multiple different layers, for the genome data; a request receiving unit for receiving an output request from the client device; and an output data generating unit for selecting data for visualization of a layer corresponding to the output request from the storage when the request receiving unit receives the output request, and generating output data based on the data for visualization of the selected layer.