The utility model relates to a dedicated device which is used for extracting the effective parts of Chinese medicinal herbs. The utility model consists of three parts, i.e. a gasification device, a fulmination device, and a liquefication device. The upper end of an internal barrel of the gasification device is sealed, with a gas hole on the seal. A flange with convex contact area is arranged on the internal barrel of the gasification device. The flange is in match with a concave contact area flange arranged on the upper end of the fulmination device. The lower end of the fulmination device is connected with upper part of the liquefication device. An inverted diagonal liquefication vessel is arranged on the lower end of the liquefication device. The utility model has advantages of simple structure, convenient application and realization of industrialized production. The utility model has no harmful heavy metal, and the preparation can be preserved for a long time with no preservatives.