The present invention relates to the field of the temperature controller technology, specifically to an outage resetting temperature controller. The outage resetting temperature controller comprises housing, a temperature sensing cover is arranged at the mask at the upper end of the housing, and two power connection terminals pass through the bottom plate of the housing; and the housing is internally provided with a thermo-sensitive piece, a heating tray and a motion mechanism, the heating tray is in matching connection with the upper end port of the housing, and the thermo-sensitive piece is movably arranged between the heating tray and the temperature sensing cover; the motion mechanism is in on-off matching arranged with the two power connection terminals, and the two power connection terminals are electrically connected with the heating tray; and the motion mechanism is provided with an interlocking bar, and the interlocking bar passes through the central through hole and is correspondingly arranged with the thermo-sensitive piece. The outage resetting temperature controller is reasonable in structure and simplified in the number of the temperature controller structure through adoption of the linkage arm with the herringbone arrangement and an elastic tongue piece to match the motion mechanism, the heating tray and the outer edge of the housing match and are integrally assembled to effectively compress the height of the whole structure; and the moreover, the outage resetting temperature controller is compact in layout, convenient to assemble, sensitive in reaction and stable in work in the condition of large current, etc.