The utility model discloses a vehicle-mounted hydraulic vibration type soil-collecting device. When the vehicle-mounted hydraulic vibration type soil-collecting device is utilized for soil collection, not only the working efficiency can be improved, but also the accuracy for collecting the soil can be ensured. The vehicle-mounted hydraulic vibration type soil-collecting device comprises a power loading car, a support oil cylinder, a guide supporting frame, a hydraulic vibration hammer, a sampling pipe and a lifting oil cylinder, wherein the support oil cylinder is articulated on the power loading car, the front end of a piston rod of the support oil cylinder is articulated on the guide supporting frame which is articulated on the power loading car; the hydraulic vibration hammer is slidably connected on the guide supporting frame; the sampling pipe is detachably connected on the output end of the hydraulic vibration hammer; and the lifting oil cylinder is connected on the guide supporting frame and the front end of the piston rod of the support oil cylinder is connected on the hydraulic vibration hammer.