The utility model provides a making devices that is used for micro - measuring device's of needle point type scanning special probe, includes base, support post, tungsten filament positioner, mountingsubstrate and electrolysis trough positioner, and the vertical fixation has two support posts that are parallel to each other and electrolysis trough positioner on the base, and the upper portion oftwo support posts is fixed with mounting substrate, is equipped with wire positioner on mounting substrate, electrolysis power and controlling means still be equipped with. The utility model disclosesa control the displacement that is used for preparing the wire of probe accurately, carry out accurate detection and control to electrochemical reaction state and terminal point. Have the low cost, make in batches all kinds of advantages that have special appearance profile with high precision.