Disclosed is an application software generation device to generate an application software for a data collection device having a reading unit to read discrimination information to carry out collection of data based on the discrimination information including a table data generation unit to generate table data for defining arbitrary items, an application software generation unit to generate an application software which is executed by the data collection device in order to collect the data based on the item which is defined in the table data and a transfer unit to transfer the generated application software to the data collection device.