An oil pressing device comprises an oil pressing system and further comprises an operating module. An oil processing technology adopts the oil pressing device provided by the technical scheme. The oilpressing device and the oil processing technology have the benefits as follows: the cost is low, the application is flexible, the service life is long, the use is convenient, the safety and reliability are high, the efficiency is high, the oil yield is improved, and the service life of the equipment is prolonged.