The utility model discloses a movable sampling vehicle. The device comprises a vehicle body, a bracket and a sampling device arranged on the bracket, the sampling device comprises a feeding mechanismarranged on the vehicle body; a storage hopper is arranged on one side of the top end of the feeding mechanism; a conveying mechanism is arranged below the storage hopper; a flow guide groove is formed below the conveying tail end of the conveying mechanism; a rotary sampling mechanism is arranged in the diversion trench; a waste sample conveying mechanism is arranged at the bottom of the diversion trench; the full-automatic sampling machine further comprises a PLC (Programmable Logic Controller) for controlling the feeding mechanism, the conveying mechanism, the rotary sampling mechanism, thewaste sample conveying mechanism and the sample collector to work, and the full-automatic sampling machine is high in working efficiency, good in coherence, capable of freely walking and capable of carrying out sampling operation at any place and in any area.