The present invention relates to an automatic control system for white spirit blend, and aims at solving the problems of low blend efficiency and low success in the prior art, and comprises a plurality of basal cans and seasoned cans arranged with electro-pneumatic valves, a purified water can arranged with a feeding pump, an air compressor provided with an air compressed and purified device, a plurality of blend cans connected with finished product cans through a filtering system, a programmable logic controller PLC, and a process computer. The basal cans, the seasoned cans, the purified water can, and the blend cans and the finished product cans are arranged with pressure sensors used for measuring the liquid level and temperature sensors, the programmable logic controller PLC is connected with the pressure sensors, a flowmeter, the temperature sensors, the air compressor, the electro-pneumatic valves, the feeding pump, a filter bank, and the process computer. Therefore the present invention has the advantages of strong maneuverability, convenient production management, blend efficiency and high success ratio.