The utility model relates to a glassware self - cleaning desiccator, one side of its casing sets up cleaning cabin, and the opposite side of casing sets up main control board, main circulating pump, and cleaning cabin's lower part sets up inlet tube, drain pipe and detergent pump, cleaning cabin's upper portion sets up the guide rail, and the basket slides and sets up on the guide rail, and the top of guide rail and below are equipped with spray arm respectively, and the rotarytype injector setting is on spray arm, be equipped with the heating rod on the both sides cleaning cabin lateral wall of guide rail. The utility model discloses can satisfy the requirement of electric power industry oiling analysis to glassware completely. Thereby significantly reduce staff's intensity of labour, make the repeatability of tentation data better.