This product uses a detachable filter element and a paper bag, and there is a drain pipe on the back to remove the sewage in the barrel. In addition, this machine mainly uses a water spray device, which can absorb water while spraying water, and remove dirt such as carpets and sofas. This product uses a detachable filter behind the head, which can be disassembled and cleaned to maintain the suction of the vacuum cleaner. In addition, the rotary hook set on the handle is more convenient for storing the power cord.