Medicinal sealed liquid preparation tank

The utility model discloses a medicinal sealed type liquid preparation tank, which comprises a liquid preparation tank main body, a cover body and a feeding pipe, the cover body is arranged above the liquid preparation tank main body, the feeding pipe is arranged above the cover body, the raw liquid is conveyed into the liquid preparation tank main body, the cover body and the liquid preparation tank main body are connected with each other through a detachable mechanism, and the cover body and the liquid preparation tank main body are connected with each other through a detachable mechanism. A movable shaft is arranged in the liquid preparation tank body, and a supporting plate is arranged on the outer side of the movable shaft. According to the medical sealed liquid preparation tank, the movable shaft can be driven to rotate under the condition that the movable shaft is not in contact through mutual attraction and matching of the first magnet and the second magnet, so that the cover body can be tightly mount