Mite killing instrument

The utility model discloses a mite killing instrument which comprises an equipment body, a dust collecting groove is formed in one side of the equipment body, a first grip is installed at the top end of the equipment body, a butt joint groove is formed in the position, located on one side of the first grip, of the top end of the equipment body, and an extension rod is installed at the top end of the butt joint groove. A second grip is arranged on one side of the top end of the extension rod. Through the arrangement of the first grip, the extension rod, the second grip, the butt joint groove and the spring pin, the use state of the acarus killing instrument is changed, the use of the first grip facilitates the cleaning of small-area textiles in a short distance by holding, and the arrangement of the butt joint groove and the spring pin is matched, so that the extension rod can be disassembled and assembled and the height of the grip can be changed according to requirements, and the acarus killing instrument is