The utility model relates to a cabin wood drying system and dismountable drying medium forced circulation device system thereof, include: the box frame, ventilation unit, spoiler, ventilation unit installs on the box frame, the spoiler is installed on the box frame, the spoiler plane is perpendicular with affiliated ventilation unit airflow direction, be equipped with the ventilation hole on the spoiler, the size is unanimous with ventilation unit wind -collecting cover external diameter, the box frame is equipped with bolt hole site. The dismountable drying medium forced circulation device system of cabin wood drying system has the support face width, respectively to stable, and simple structure, it is dismantled and assembled defeated along with the shipping, can for utilizing boats and ships driving system waste heat and electric energy drying and the ligneous cabin wood drying system of innocent treatment on the way, long -distance transport timber provide a dismantled and assembled cabin wood drying drying medium forced circulation device system according to the equipment of cabin structure.