The utility model discloses an extraction tower is used in intermediate production, including the extraction tower shell, fixedly connected with fixed plate between the both sides of extraction towershell inner wall, the top fixedly connected with mobile device of extraction tower shell inner wall, the bottom fixedly connected with fly leaf of mobile device, the equal fixedly connected with fixedblock in both sides of fly leaf bottom to the middle part of fixed block is rotated through the moving part and is connected with the bull stick, the one end that the fixed block was kept away from to the bull stick is connected with the movable block through the moving part rotation to the bottom fixed connection of spring and fly leaf is passed through on the surface of bull stick, and the middle fixed connection of fly leaf bottom has a first motor, the utility model relates to the field of medical technology. This extraction tower is used in intermediate production, it is poor to have solved present intermediate extraction device extraction effect, can thoroughly not carry out the problem that extracts, makes extraction solution carry out abundant mix, has improved the quality of extraction, has improved the efficiency that extracts.