The present invention relates to a process for preparing a solid composition comprising at least one active ingredient and at least one excipient comprising: i) mixing said at least one active ingredient and said at least one excipient in a granulator to obtain wet granules； ii) spreading wet granules on a tray and let stand for 2 to 24 hours between 15 and 25 °C； iii) compressing granules obtained after step ii) with a tablet press； and iv) collecting the solid composition. The invention further relates a solid composition obtained by such process.
