Fuente: WIPO "essential oil or extracts" The utility model discloses small efficient aromatic plant essential oil extraction equipment. Including a support base, an extraction box is mounted in the middle of the supporting base; a box coveris mounted at the top of the extraction box; an air injection cavity is formed in the bottom end in the box cover; the upper end of the jet cavity is connected with a jet pipe; an air-entraining cavity is formed in the right side of the upper end of the supporting base; a piston plate is mounted in the air entraining cavity; piston rods are connected to the upper ends of the piston plates; the upper end of the contact plate is in contact with a rotary cam; the left end of the rotary cam is in contact with a guide ball; the left end of the guide ball is connected with a right guide rod; the right guide rod penetrates through the extraction box and is connected with a placement frame; according to the device, the placing frame swings left and right, so that plant particles in the placing frame swing left and right back and forth, and water vapor can be in full contact with the plant particles.