Heat insulation door plate

The invention discloses a heat insulation door plate. The heat insulation door plate comprises a wooden upper layer plate and a wooden lower layer plate. The upper layer plate is parallel to the lower layer plate. Cystosepiment is filled between the upper layer plate and the lower layer plate. Support parts are arranged between the upper layer plate and the lower layer plate. The support parts penetrate through the cystosepiment. According to the heat insulation door plate, the heat insulation effect is good, the weight is low, and the effect of a solid wood door is achieved. 本发明公开了种隔热门板，该隔热门板包括木质的上层板和下层板，所述上层板与下层板平行，所述上层板与下层板之间填充有泡沫板，所述上层板与下层板之间设置有支撑件，所述支撑件穿过所述泡沫板。本发明的隔热门板隔热效果好，重量轻，并具有实木门的效果。