The present invention discloses a juicer, including a juicer conveying device, a juicer juice-out control device, a juicer automatic cupping device, a juicer juicing device, and an anti-pinch door sheet. The juicer conveying device conveys a material to the juicer juicing device. The juicer juicing device juices the material, and then juice enters the juicer juice-out control device. The juicer juice-out control device controls the outflow volume of the juice. The controlled juice enters the juicer automatic cupping device. The juicer automatic cupping device automatically cups the juice. After cupping, a cup can be taken away through the anti-pinch door sheet.