  The Large sky Area Multi-Object Fiber Spectroscopic Telescope (LAMOST) is the
largest optical telescope in China. In last four years, the LAMOST telescope
has published four editions data (pilot data release, data release 1, data
release 2 and data release 3). To archive and release these data (raw data,
catalog, spectrum etc), we have set up a data cycle management system,
including the transfer of data, archiving, backup. And through the evolution of
four software versions, mature established data release system.
