The palm fruit beam is threshing by the thresher to separate the palm fruit to be squeezed, and then enters the oil press machine through the elevator, the oil press machine is placed side by side, and the material is automatically put into the elevator to achieve large crushing production at the same time. Then the crude oil is collected uniformly through the oil pipeline, and finally refined to remove the impurities and harmful substances in the crude oil to get the clear finished palm oil.