The utility model discloses an intelligence depth measurement water stone roller. It includes the plummet of frustum structure, the leadline of connection on the vertical and the recess at the center bottom the plummet that sets up, install the substrate detection instrument in the recess, the mid -mounting of plummet has the pressure sensor who is used for measuring the depth of water, emitter is installed at the top of plummet, pressure sensor and substrate detection instrument all are connected with emitter, the data line has on the leadline, the emitter number of pass is used for receiving the receiving arrangement of data message according to the line connection, receiving arrangement is connected with the display element who is used for showing the data message. After adopting foretell structure, through pressure sensor, substrate detection instrument, gathering the depth of water and substrate information in real time, utilizing send -receiver device, data line etc. Present the depth of water data and the substrate condition on terminal display, supply survey crew convenient, accurate, swift the direct read depth of water and the substrate condition, its simple structure, manufacturing are convenient easily.