The utility model provides a device of hot trapping preparation smoke spices, including pyrolysis device and entrapment device, the pyrolysis device includes sample heating device, set up in sample onthe sample heating device bears the device, bears the device with the sample and passes through the air supply that the pipeline links to each other, sets up the flow control device on the pipeline,the entrapment device includes that flue gas entry and the solvent that the export of sample heating device links to each other bear the device, are used for the heating solvent heating device that the solvent bore the device with set up in the solvent just bears the condensing equipment that device steam outlet links to each other with the solvent on bearing the device. The utility model discloses a solvent backward flow entrapment device compare with normal atmospheric temperature or low temperature solvent cold hydrazine absorbing device, can improve capture efficiency, practice thrift thesolvent use amount, improve fragrant smell substance concentration in the entrapment liquid, improve cigarette oil quality, realize reducing the frequency that the change is dissolved with a large amount of results of a small amount of solvent entrapment. The utility model discloses the simple economy of device easily realizes industrialization batch production, has good application prospect.