Soil volatile organic compound tester

The utility model discloses a soil volatile organic compound tester which comprises a lower shell with the bottom open, an upper shell communicated with an inner cavity of the lower shell is arranged in the middle of the upper surface of the lower shell, an annular push plate is arranged in the lower shell in an up-down sliding mode, and a pressing rod is arranged on the upper surface of the annular push plate. A through hole is formed in the upper surface, corresponding to the pressing rod, of the lower shell, a pressure switch is arranged on the upper surface, corresponding to the through hole, of the lower shell, a temperature control heater is arranged on the upper surface of the lower shell, and the pressure switch, the temperature control heater and an external power source are connected in series to form a working circuit of the temperature control heater. The soil volatile organic compound tester is simple in structure, small in size, convenient to carry, capable of limiting and sealing part of soil a