The utility model discloses a prevent device that universal meter probe drops, the device include the transparent rubber sleeve of growing the supporting suit of wide high size with universal meter jack direction, set up the through -hole that is more than or equal to universal meter jack diameter on the rubber sleeve, and the outward flange and the rubber sleeve foreign side of through -hole upwards are fixed with the second spring -backed quill, and wherein, the second spring -backed quill is used for cooperating the suit with the probe, still include a plurality of first spring -backed quills, first spring -backed quill is the same with the diameter size of probe, and first spring -backed quill adhesion is in the universal meter or the rubber sleeve left and right sides, and first spring -backed quill is used for depositing the probe that does not use, the device can avoid user of service because the misoperation results in probe and other metal touchings consequently to let the battery short circuit discharge to the life of extension universal meter battery, simultaneously can ensure the probe and deposit suitably, be favorable to later stage test data's accuracy.