The invention discloses an automatic control test device of a gas cooker. A working circuit of the device comprises a main control unit, and a display unit, a control unit, a temperature collection unit, an analog input unit and an analysis processing unit, which are respectively and electrically connected with the main control unit, wherein the control unit comprises a program logic controller (PLC), a gas flow meter which is electrically connected with the PLC, a gas pressure regulating valve, a stirrer and a gas on-off valve; the temperature collection unit comprises a gas temperature collection unit, an ambient temperature collection unit, a smoke temperature collection unit and a hot water temperature collection unit; the analog input unit comprises a gas pressure input unit and an atmosphere pressure input unit; and the analysis processing unit comprises a smoke composition analyzer and a heat radiation collection instrument. The automatic control test device of the gas cooker has advantages of compactness in structure, high safety, simpleness and convenience in testing, good test effect, reliability in test data and the like.