The invention discloses a fully-hydraulic automatic batching, stirring and pumping integrated vehicle-mounted pump. The pump comprises a vehicle body, wherein a power mechanism, a stirring mechanism and a pumping mechanism are arranged on a chassis of the vehicle body; the stirring mechanism comprises a double horizontal shaft forcible stirring cylinder; a stirring mechanism is arranged in the double horizontal shaft forcible stirring cylinder; a cement loading machine is arranged on one side of the double horizontal shaft forcible stirring cylinder; the upper part of the cement loading machine is connected with a cement loading motor; the lower part of the cement loading machine is connected with a cement loading hopper; a stone hopper and a sand hopper are arranged above the double horizontal shaft forcible stirring cylinder; material conveying mechanisms are arranged at the bottom ports of the stone hopper and the sand hopper; the pumping mechanism is arranged below an unloading door. The fully-hydraulic automatic batching, stirring and pumping integrated vehicle-mounted pump integrates automatic batching, continuous forcible stirring and pumping, is integrally mounted on the chassis of the vehicle, is driven by a diesel, adopts fully-hydraulic transmission, and is small in size, convenient and flexible to move and high in automation degree.