The invention relates to the technical field of pharmaceutical equipment, in particular to a bio-medicine extraction device. The bio-medicine extraction device comprises a heating kettle, wherein heating plates are arranged on the inner wall of the heating kettle; a stirring motor is arranged at the bottom of the heating kettle; a hinge is arranged on the side wall of the heating kettle; the heating kettle is rotationally connected with a top cover through the hinge; a pair of electric cylinders is mounted on the outer wall of the top cover; power levers of the electric cylinders extend into an inner cavity of the heating kettle and are fixedly connected with press plates; a base is arranged at the bottom of the inner cavity of the heating kettle; a power lever of the stirring motor penetrates through the base and is fixedly connected with a rotating shaft; the outer wall of the rotating shaft is sleeved with a lantern ring; a pair of mounting rings is fixedly connected with the outerwall of the lantern ring. According to the bin-medicine extraction device, medicinal residues in medicinal materials can be extracted, medicine waste is avoided, and the extraction quality of the whole extraction device is guaranteed.