A wound drainage equipment (400) adapted for sucking exudates in a wound is provided. The wound drainage equipment includes a wound drainage assembly and at least one aeration hole. The wound drainage assembly includes a wound cover (710,810) and a conduit (730, 830). The wound cover is adapted for being disposed at the wound. The conduit has a lumen (732, 832) adapted for communicating with the wound. The exudates in the wound are adapted for being sucked through the lumen. The aeration hole (H6, H7) communicates with the lumen and an external environment. The efficiency of sucking the exudates in the wound according to the wound drainage equipment of an embodiment of the present invention is relatively high.
