The application discloses four limbs cover for operation, including the cover body, sealed sticking stripe and negative pressure pneumatic valve, the cover is personally experienced sth. Part of the body to adjacent both sides open -ended bag column structure the cover body division actinal one side is provided with pastes the area, sealed sticking stripe sets up cover body sack department, the negative pressure pneumatic valve sets up on the cover body, include with negative -pressure suction tube and setting that the cover body is linked together are in the last ooff valve of negative -pressure suction tube only need be inspected the expiry date and have non -destructive during the use, then can directly open the package, the flow is simple, and not only reducible operation doctor's timeof preparation guarantees aseptic effect, compares parcel thing storage mode such as aseptic piece of cloth simultaneously, and nursing administrator's operating time is practiced thrift to the intermediate link of reducible management.