Measuring system and measuring method of water content and silt content in gravels

The invention relates to a measuring system and measuring method of water content and silt content in gravels, and belongs to the field of measurement of the water content and the silt content in the gravels. The measuring system comprises a measuring device and an industrial personal computer, wherein the measuring device comprises a feeding hopper, an electronic scale, a heating device, a heating tray, a guiding hopper, a stirrer, a washing pipe, a water pumping device, a first horizontal movement mechanism and a first lifting mechanism; when the first horizontal movement mechanism is located at a first working position, a discharging hole of the guiding hopper is located right above the heating tray, and a feeding hole of the guiding hopper is located under the discharging hole of the feeding hopper; the first horizontal movement mechanism is located at a second working position, a stirring head of the stirrer, a water outlet of the washing pipe and a water pumping hole of the water pumping pipe are all lo