The utility model discloses a quick detection device of filler moisture content, including a plurality of metal probe, metal probe passes through the wire and is connected with well accuse device, is equipped with generator and data processing device in the well accuse device. The inside micro printer that is equipped with of well accuse device. Well accuse device is equipped with including display device. Well accuse device is equipped with communication interface. The generator can be for hand -operated generator. Have that the instrument is light and handy, convenient to use, easy operation, but the detection is fast, data are accurate objective, the advantage of testing result automatic display and storage, the labor intensity of testing?personnel is reduced, improve test efficiency, be applicable to the detection of roadbed filler moisture content.