Negative pressure isolation tent for high-safety bed

The invention relates to the technical field of tents, and particularly discloses a high-safety negative pressure isolation tent for a bed, the high-safety negative pressure isolation tent comprises four stand columns, four first telescopic rods, four second telescopic rods and tarpaulin surrounded by an internal closed space, the stand columns, the first telescopic rods and the second telescopic rods are connected to form a cuboid frame, and the cuboid frame is connected with the tent. The awning cloth is installed in the cuboid frame, an access opening with a zipper is formed in the awning cloth, a fan used for sucking air in the awning cloth is communicated with the awning cloth, the air outlet end of the fan is communicated with a filter, an air inlet barrel is further arranged on the awning cloth, and a filter is also arranged in the air inlet barrel. The sealing device has the effect of providing sealing performance when a patient is isolated. 本申请涉及帐篷技术领域，具体公开了一种高安全性床用负压隔离帐篷，其包括四根立柱、四根第一伸缩杆、四根第二伸缩杆和围绕有内