The invention provides a condensable particle sampling device. The condensable particle sampling device comprises a sampling head, a filter, a heater, a sampling pipe, a heating band, a three-way ball valve, a reverse blowing pipe, a gas-in pipe, a condenser, a refrigerator, a filter membrane clamp, a filter membrane, an exhaust pipe, a flowmeter and a vacuum pump, wherein the sampling head, the filter, the sampling pipe, the three-way ball valve, the gas-in pipe, the condenser, the filter membrane clamp, the exhaust pipe, the flowmeter and the vacuum pump are sequentially connected; the sampling head and the filter are positioned in a flue, and the heater is arranged on the filter; the sampling pipe is fixed on the flue by a flange, one end of the sampling pipe is positioned in the flue, the other end of the sampling pipe is positioned outside the flue, and the heating band is arranged on the sampling pipe; the two ends of the three-way ball valve are respectively connected with the sampling pipe and the gas-in pipe, and the other end of the three-way ball valve is connected with the reverse blowing pipe; the refrigerator is arranged on the condenser; the filter membrane clamp is positioned outside an outlet of the condenser, and the filter membrane is positioned in the filter membrane clamp.