Decubitus blisters are a common symptom of stage II decubitus ulcers. Stage I decubitus ulcers belong to the bruised erythematous stage, and if the pressure on the skin is not improved after the erythematous stage, then inflammatory infiltration of the skin will occur to form blisters, and the treatment methods are different according to the size of the blisters. 1.Causes of decubitus blister formation Decubitus blisters occur in the second stage of inflammatory infiltration of decubitus ulcers, the first stage is the erythematous stage, due to long-term pressure and skin bruising erythematous, after the occurrence of erythematous did not improve the pressure in a timely manner, the inflammatory exudate below can not be discharged normally and blisters are formed, such as continued delay or improper disposal, will evolve into superficial ruptured wounds, or even deep ulcerated wounds. 2, large blister disposal methods blister diameter greater than 1cm, it is necessary to use a syringe or sterile needle to puncture the blister, drain the internal exudate, and then use saline to clean the wound surface, topical decubitus ulcer cream, muscle cream-type drugs after gauze bandage treatment. 3.Small blister treatment method Blister diameter less than 1cm, then directly with saline cleaning wipe clean, in the erythema traumatica topical drug for care. 4, after the rupture of the blister treatment method blister rupture is transformed into a superficial rupture wound, you need to promptly clean the ruptured blister with saline to promote internal exudate discharge, gauze dressing after medication, or use decubitus ulcer paste protection to prevent secondary pressure or friction to stimulate the wound. Daily attention should be paid to keeping the skin clean and dry, removing excrement in a timely manner to prevent stimulation of skin redness, in addition to diligently inspecting the skin, finding redness under pressure, correcting nursing oversights in a timely manner, and turning and changing positions regularly to improve skin pressure.