An intelligent weeding machine for grape vines comprises a rack body, a hydraulic system, an electromagnetic valve control system, a weeding device and traveling wheels, wherein the weeding device comprises a fixed weeding part and rotary motion type weeding parts, the fixed weeding part is fixedly mounted on the rack body, and the rotary motion type weeding parts are fixedly assembled on two sides of the rack body; the hydraulic system and the electromagnetic valve control system are fixed on the rack; the traveling wheels are fixedly assembled at the bottom of the rack body; the hydraulic system controls the rotary motion type weeding parts to rotate for weeding and controls the rotary motion type weeding parts to stretch out and draw back; the electromagnetic valve control system controls oil output of the hydraulic system. According to the intelligent weeding machine for the grape vines, weeds between lines of the grape vines can be cleared up, weeds around the grape vines can also be cleared up; with the adoption of the intelligent weeding machine for the grape vines, mechanical weeding for the grape vines is realized, besides, weeds in grape vine fields are completely cleared up, the work efficiency is higher, and damage to the grape vines is avoided.