The invention discloses a micro explosion suppressor. The micro explosion suppressor comprises a mounting base, wherein a control circuit board is arranged in the mounting base; a power connector for connecting a power supply and at least one detector for detecting explosion signals are arranged on the side face of the mounting base; at least one gas generating device is arranged on the top of the mounting base; an explosion suppressing bag for sealing and enveloping the gas generating device is arranged outside the gas generating device; the explosion suppressing bag is filled with a fire extinguishing agent; and the power connector, the detector and the gas generating device are electrically connected with the control circuit board respectively. The micro explosion suppressor disclosed by the invention is mounted inside an electric appliance, and can instantly extinguish explosion generated by the electric appliance, so that large-scale explosion hazards caused by no explosion protection of high-low voltage electric appliances are thoroughly solved.