The invention relates to an organic solvent extracting machine with a vacuum-pumping device. The organic solvent extracting machine with the vacuum-pumping device comprises an extracting device and the vacuum-pumping device, wherein a vacuum sucking opening is formed in one side of the extracting device, and is communicated with the extracting device; the extracting device comprises an extracting tank, a feed opening is formed in the top of the extracting tank, an atomizer is mounted at the feed opening, a discharge opening is formed in the bottom of the extracting tank, heating pieces are evenly arranged on the two side walls inside the extracting tank, the vacuum sucking opening is formed in one side of the extracting tank, the vacuum-pumping device comprises a vacuum buffer tank and a vacuum pump, one side of the vacuum buffer tank is communicated with the vacuum sucking opening, and the other side of the vacuum buffer tank is communicated with the vacuum pump. The organic solvent extracting machine provided by the invention not only has a simple structure, is convenient to operate, and can ensure that the extracting process is performed under a completely closed full-vacuum condition, but also avoids the phenomenon of material backflow during a vacuum extracting process.